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AEG Gearbox & Accessories
In this category, you will find complete gearboxes from top manufacturers with high quality performance parts. Complete gearboxes are an easy way to upgrade your airsoft guns performance. Reinforced gearboxes are important if you plan on upgrading your gun to have a higher velocity since an upgraded spring usually puts more strain on your stock gearbox and stock gearboxes tend to warp and crack when a high tension spring is installed.

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APS Hybrid 8mm Gearbox for Version 3 for APS AK
Manufacturer: APS

AEG Gearbox & Accessories
  • Reinforced Gearbox Shell.
  • Integrated Quick spring release function.
  • 8mm Stainless Steel Bushings.
  • 45-Day Warranty
$60.00
Buy 1 'APS Hybrid 8mm Gearbox for Version 3 for APS AK' Now

Big Dragon Ver. 2 Quick-Change Gearbox Shell
Manufacturer: Big Dragon

AEG Gearbox & Accessories
$40.00
Buy 1 'Big Dragon Ver. 2 Quick-Change Gearbox Shell' Now

Big Dragon Ver. 3 Quick-Change Gearbox Shell

(1 review)

Big Dragon Ver. 3 Quick-Change Gearbox Shell
Manufacturer: Big Dragon

AEG Gearbox & Accessories
$40.00
Buy 1 'Big Dragon Ver. 3 Quick-Change Gearbox Shell' Now

Big Dragon Version 3 Complete Gearbox w/Quick Change Spring
Manufacturer: Big Dragon

AEG Gearbox & Accessories
  • Complete Gearbox Assembly
  • Upgraded Internal Components
  • Drop-In Assembly
  • Quick Change Spring System
$89.99
Buy 1 'Big Dragon Version 3 Complete Gearbox w/Quick Change Spring' Now

Bravo Complete 8mm AEG Gearbox for M4 (Wired to the Front)
Manufacturer: Bravo

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Drop In Assembly
  • Includes: One (1) Complete Gearbox
$202.50
Buy 1 'Bravo Complete 8mm AEG Gearbox for M4 (Wired to the Front)' Now

Complete Gearbox for Double Eagle M83A2
Manufacturer: Double Eagles

AEG Gearbox & Accessories
  • OEM Replacement
  • Complete Gearbox
  • Designed for Double Eagle M83A2
$10.00
Buy 1 'Complete Gearbox for Double Eagle M83A2' Now

CYMA Complete Gearbox for CYMA M-Series M4 SOPMOD Package Airsoft Gun
Manufacturer: CYMA

AEG Gearbox & Accessories
  • OEM Replacement
  • Complete Gearbox
  • Designed for CYMA M-Series M4 SOPMOD Package Airsoft Gun
$11.00
Buy 1 'CYMA Complete Gearbox for CYMA M-Series M4 SOPMOD Package Airsoft Gun' Now

CYMA Complete Version 2 Gearbox with Motor for M4/M16 Series
Manufacturer: CYMA

AEG Gearbox & Accessories
$44.95
Buy 1 'CYMA Complete Version 2 Gearbox with Motor for M4/M16 Series' Now

CYMA M14 AEG Gearbox

(1 review)

CYMA M14 AEG Gearbox
Manufacturer: CYMA

AEG Gearbox & Accessories
  • OEM Replacement
  • Direct Drop-In Assembly
  • Design for CYMA M14
  • Includes: One (1) Complete Gearbox
$56.45
Buy 1 'CYMA M14 AEG Gearbox' Now

D Boy OEM Complete AK v3 Gearbox
Manufacturer: D Boy

AEG Gearbox & Accessories
  • OEM Replacement
  • Direct Drop-In Assembly
  • Design for D Boy AK
  • Includes: One (1) Complete Gearbox
$59.99
Buy 1 'D Boy OEM Complete AK v3 Gearbox ' Now

Echo 1 Complete 6mm Gear Box for Mk5
Manufacturer: ECHO 1

AEG Gearbox & Accessories
$39.99 
$15.00
Save $24.99
Buy 1 'Echo 1 Complete 6mm Gear Box for Mk5' Now

Echo 1 ER25 Gearbox Shell Only
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Metal Construction
  • OEM Replacement
  • 30-Day Warranty
$60.00
Buy 1 'Echo 1 ER25 Gearbox Shell Only' Now

Echo 1 M14 Complete Gearbox with Torque Motor
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Comes with a High Torque Motor
  • OEM Replacement
  • Durable Material
  • 30-Day Warranty
$130.00
Buy 1 'Echo 1 M14 Complete Gearbox with Torque Motor' Now

Echo 1 M240-SLR Gerbox Shell
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Durable Material
  • OEM Replacement
  • 30-Day Warranty
$60.00
Buy 1 'Echo 1 M240-SLR Gerbox Shell' Now

Echo 1 M249 Complete Gearbox
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Solid Construction
  • OEM Replacement
$115.00
Buy 1 'Echo 1 M249 Complete Gearbox' Now

Echo 1 OEM M14 Spur Gear - Version 7
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Metal Construction
  • OEM Replacement
  • Designed for The Version 7
  • 30 Day Warranty
$12.95
Buy 1 'Echo 1 OEM M14 Spur Gear -  Version 7' Now

Echo 1 Red Star Complete 7mm Gearbox with High Torque Motor
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Solid Construction
  • OEM Replacement
  • 7mm Ball Bearings
  • High Torque Motor
  • 400-410FPS
$52.00
Buy 1 'Echo 1 Red Star Complete 7mm Gearbox with High Torque Motor' Now

Echo 1 Red Star IGOR Gearbox Shell
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Metal Construction
  • OEM Replacement
  • Compatible with Most Version 3 Platforms
  • 30-Day Warranty
$35.00
Buy 1 'Echo 1 Red Star IGOR Gearbox Shell' Now

Echo 1 Red Star Wolverine Gearbox Shell with 7mm Bearings
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Metal Construction
  • Includes 7mm Bearings
  • OEM Replacement
  • 30-Day Warranty
$45.00
Buy 1 'Echo 1 Red Star Wolverine Gearbox Shell with 7mm Bearings' Now

Echo 1 XCR Complete AEG Gearbox

(1 review)

Echo 1 XCR Complete AEG Gearbox
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for Echo 1 XCR
  • Complete Gearbox
$110.00
Buy 1 'Echo 1 XCR Complete AEG Gearbox' Now

Echo 1 XCR Complete Gearbox with 8mm Bushing (Lower)
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Metal Construction
  • OEM Replacement
  • 30-Day Warranty
$70.00
Buy 1 'Echo 1 XCR Complete Gearbox with 8mm Bushing (Lower)' Now

Echo 1 XCR Gearbox Bracket
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Metal Construction
  • OEM Replacement
  • 30-Day Warranty
$10.00
Buy 1 'Echo 1 XCR Gearbox Bracket' Now

Echo 1 XCR Gearbox Pin
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Metal Construction
  • OEM Replacement
  • 30-Day Warranty
$7.00
Buy 1 'Echo 1 XCR Gearbox Pin' Now

Echo1 E90 Gearbox Screw Set
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Durable Construction
  • OEM Replacement
  • Made for E90
  • 30-Day Warranty
$9.00
Buy 1 'Echo1 E90 Gearbox Screw Set ' Now

Echo1 E90 Gearbox Shell ONLY
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Durable Construction
  • OEM Replacement
  • Made for E90
  • 30-Day Warranty
$40.00
Buy 1 'Echo1 E90 Gearbox Shell ONLY ' Now

Echo1 E90 OEM Gearbox Slide Plate
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Durable Construction
  • OEM Replacement
  • Made for E90
  • 30-Day Warranty
$6.00
Buy 1 'Echo1 E90 OEM Gearbox Slide Plate ' Now

Echo1 M4 8mm Complete Gearbox (Rear Wired)
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • OEM Replacement
  • 8mm Bushings
  • Ported Piston Head
$74.00
Buy 1 'Echo1 M4 8mm Complete Gearbox (Rear Wired)' Now

Echo1 M4 8mm Gearbox Shell Only
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Durable Construction
  • OEM Replacement Part
  • Made for 8mm Bushings
  • 30-Day Warranty
$24.99
Buy 1 'Echo1 M4 8mm Gearbox Shell Only' Now

Echo1 Red Star CSR Mech Box Shell (OEM)
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Durable Material
  • OEM Replacement
  • 30-Day Warranty
$40.00
Buy 1 'Echo1 Red Star CSR Mech Box Shell (OEM)' Now

Echo1 Spectre RDP Gearbox Shell Only
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Sturdy Construction
  • Made to Fit Spectre Rapid Deploy Pistol (RDP)
  • OEM Replacement Part
  • 30-Day Warranty
$25.00
Buy 1 'Echo1 Spectre RDP Gearbox Shell Only ' Now

Echo1 ZB30 Gearbox Shell Only
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Sturdy Construction
  • Made to Fit the Echo1 ZB30
  • OEM Replacement Part
  • 30 Day Warranty
$25.00
Buy 1 'Echo1 ZB30 Gearbox Shell Only ' Now

ICS AK Spare Parts Kit
Manufacturer: ICS

AEG Gearbox & Accessories
  • OEM Replacement
  • Durable Construction
  • Designed for ICS AK
$20.00
Buy 1 'ICS AK Spare Parts Kit' Now

ICS Complete M4 Lower Gearbox (Front Wired)
Manufacturer: ICS

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Designed for ICS M4
  • Metal Construction
  • Includes: One (1) Complete Gearbox
$44.95
Buy 1 'ICS Complete M4 Lower Gearbox (Front Wired)' Now

ICS Complete Version 2 MK5 Gearbox
Manufacturer: ICS

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Designed for ICS MK5 / MP5
  • Metal Construction
  • Includes: One (1) Complete Gearbox
$89.00
Buy 1 'ICS Complete Version 2 MK5 Gearbox' Now

ICS L85/L86 Spare Parts Kit
Manufacturer: ICS

AEG Gearbox & Accessories
  • OEM Replacement
  • Durable Construction
  • Designed for ICS L85 / L86
$20.00
Buy 1 'ICS L85/L86 Spare Parts Kit' Now

ICS M120 Upper AEG Gearbox Assembly for ICS M16 (Deluxe Version)

(1 review)

ICS M120 Upper AEG Gearbox Assembly for ICS M16 (Deluxe Version)
Manufacturer: ICS

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Designed for ICS Split Gearbox Design
  • Metal Construction
  • Includes: One (1) Upper Gearbox
$105.00
Buy 1 'ICS M120 Upper AEG Gearbox Assembly for ICS M16 (Deluxe Version)' Now

ICS M4 Bore Up Complete Upper Gearbox for ICS M4
Manufacturer: ICS

AEG Gearbox & Accessories
  • Complete Upper Kit
  • Increased Performance
  • Durable Design
$52.00
Buy 1 'ICS M4 Bore Up Complete Upper Gearbox for ICS M4' Now

ICS M4 Lower Gearbox Shell
Manufacturer: ICS

AEG Gearbox & Accessories
  • Metal Construction
  • OEM Replacement
  • Designed for ICS M4
$15.00
Buy 1 'ICS M4 Lower Gearbox Shell' Now

ICS MP5 Spare Parts Kit
Manufacturer: ICS

AEG Gearbox & Accessories
  • OEM Replacement
  • Durable Construction
  • Designed for ICS MP5
$20.00
Buy 1 'ICS MP5 Spare Parts Kit' Now

ICS Screw Set for New Version M4 Gearbox
Manufacturer: ICS

AEG Gearbox & Accessories
  • Complete Kit
  • Thread-Lock Design
  • OEM Replacement
$4.00
Buy 1 'ICS Screw Set for New Version M4 Gearbox' Now

JG Complete 8mm Bearing Version 2 Gearbox for M4 Series (Rear Wired)
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for JG M4 Series
  • Upgraded Reinforcement
  • Includes: One (1) Complete Gearbox
$71.00
Buy 1 'JG Complete 8mm Bearing Version 2 Gearbox for M4 Series (Rear Wired)' Now

JG Complete Gearbox for AK47
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for JG AK Series
  • Upgraded Reinforcement
  • Includes: One (1) Complete Gearbox
$60.00
Buy 1 'JG Complete Gearbox for AK47' Now

JG Complete Gearbox for G36 (No Motor)
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for JG G36 Series
  • Upgraded Reinforcement
  • Includes: One (1) Complete Gearbox
$45.00
Buy 1 'JG Complete Gearbox for G36 (No Motor)' Now

JG Complete Gearbox for MK5 Series
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for JG MK5 Series
  • Upgraded Reinforcement
  • Includes: One (1) Complete Gearbox
$40.00
Buy 1 'JG Complete Gearbox for MK5 Series' Now

JG M16 M130 Complete (Rear Wired) AEG Gearbox w/ MOSFET

(1 review)

JG M16 M130 Complete (Rear Wired) AEG Gearbox w/ MOSFET
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for JG MK5 Series
  • Built in MOSFET
  • Includes: One (1) Complete Gearbox
$90.00
Buy 1 'JG M16 M130 Complete (Rear Wired) AEG Gearbox w/ MOSFET' Now

JG M4 M130 Complete AEG Gearbox (Front Wired)

(6 reviews)

JG M4 M130 Complete AEG Gearbox (Front Wired)
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for M4 / M16
  • Front Wired
  • Includes: One (1) Complete Gearbox
$65.00
Buy 1 'JG M4 M130 Complete AEG Gearbox (Front Wired)' Now

King Arms G36/MK36 Version 3 8mm Gearbox
Manufacturer: King Arms

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade Part
  • Reinforced Construction
  • 8mm Bearing / Bushing Compatible
$45.99
Buy 1 'King Arms G36/MK36 Version 3 8mm Gearbox' Now

King Arms G36/SM Version 3 9mm Gearbox
Manufacturer: King Arms

AEG Gearbox & Accessories
  • Upgrade Part
  • Reinforced Construction
  • 9mm Bearing / Bushing Compatible
$46.99
Buy 1 'King Arms G36/SM Version 3 9mm Gearbox' Now

Lancer Tactical 7075 Aluminum Gearbox Stabilizer Version 2. OEM By SHS

(1 review)

Lancer Tactical 7075 Aluminum Gearbox Stabilizer Version 2. OEM By SHS
Manufacturer: Lancer Tactical

AEG Gearbox & Accessories
  • Aluminum Construction
  • Gearbox Stabilization
  • Reduce Gearbox Stress
  • Includes: One (1) Stabilizer
$19.99 
$14.99
Save $5.00
Buy 1 'Lancer Tactical 7075 Aluminum Gearbox Stabilizer Version 2. OEM By SHS' Now

Lancer Tactical Spring Set for Version 2 Gearbox by SHS
Manufacturer: Lancer Tactical

AEG Gearbox & Accessories
  • Upgrade / OEM Replacement
  • Metal Construction
  • Includes: Spring Set
$8.00
Buy 1 'Lancer Tactical Spring Set for Version 2 Gearbox by SHS' Now

Lancer Tactical Spring Set for Version 3 Gearbox by SHS
Manufacturer: Lancer Tactical

AEG Gearbox & Accessories
  • Upgrade / OEM Replacement
  • Metal Construction
  • Includes: Spring Set
$8.00
Buy 1 'Lancer Tactical Spring Set for Version 3 Gearbox by SHS' Now

Lancer Tactical Spring Set for Version 7 Gearbox by SHS
Manufacturer: Lancer Tactical

AEG Gearbox & Accessories
  • Upgrade / OEM Replacement
  • Metal Construction
  • Includes: Spring Set
$8.00
Buy 1 'Lancer Tactical Spring Set for Version 7 Gearbox by SHS' Now

Lancer Tactical Version 2 8mm QD Gearbox Shell w/ Bearings (Blue)

(2 reviews)

Lancer Tactical Version 2 8mm QD Gearbox Shell w/ Bearings (Blue)
Manufacturer: Lancer Tactical

AEG Gearbox & Accessories
  • Easy Release Spring Function
  • Reinforced Design
  • 8mm Bushing / Bearing Compatible
  • Includes: One (1) Gearbox Shell
$99.99
Buy 1 'Lancer Tactical Version 2 8mm QD Gearbox Shell w/ Bearings (Blue)' Now

Lonex 8mm Enhanced Bearing AEG Gearbox Ver.2 for G3 Series
Manufacturer: Lonex

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Designed for Tuned / Performance Setups
  • Includes: Gearbox Shell, Bearings, Tappet & Selector Plate
$46.99 
$44.64
Save $2.35
Buy 1 'Lonex 8mm Enhanced Bearing AEG Gearbox Ver.2  for G3 Series' Now

Lonex 8mm Enhanced Bearing AEG Gearbox Ver.2 for M16 Series
Manufacturer: Lonex

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Designed for Tuned / Performance Setups
  • Includes: Gearbox Shell, Bearings, Tappet & Selector Plate
$46.99 
$44.64
Save $2.35
Buy 1 'Lonex 8mm Enhanced Bearing AEG Gearbox Ver.2  for M16 Series' Now

Lonex 8mm Enhanced Bearing AEG Gearbox Ver.2 for MP5 Series
Manufacturer: Lonex

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Designed for Tuned / Performance Setups
  • Includes: Gearbox Shell, Bearings, Tappet & Selector Plate
$46.99
Buy 1 'Lonex 8mm Enhanced Bearing AEG Gearbox Ver.2  for MP5 Series' Now

Lonex 8mm Enhanced Bearing AEG Gearbox Ver.3
Manufacturer: Lonex

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Designed for Tuned / Performance Setups
  • Includes: Gearbox Shell, Bearings, Tappet Plate
$55.99
Buy 1 'Lonex 8mm Enhanced Bearing AEG Gearbox Ver.3' Now

Lonex AEG Gearbox Screw Set Ver.3
Manufacturer: Lonex

AEG Gearbox & Accessories
  • Upgrade / OEM Replacement
  • Serrated Lock Washers
  • Stabilized Gearbox
  • Includes: Four (4) Gear Box Screws and Washers
$2.99
Buy 1 'Lonex AEG Gearbox Screw Set Ver.3' Now

Lonex AEG Gearbox Spring Set for Ver. 2 & 3
Manufacturer: Lonex

AEG Gearbox & Accessories
  • Upgrade / OEM Replacement
  • Metal Construction
  • Includes: Seven (7) Screws
$2.99
Buy 1 'Lonex AEG Gearbox Spring Set for Ver. 2 & 3' Now

Lonex M4-A1 Front-Wired Complete AEG Gearbox (SP120 Original Type)
Manufacturer: Lonex

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Drop In Assembly
  • Includes: One (1) Complete Gearbox
$174.99
Buy 1 'Lonex M4-A1 Front-Wired Complete AEG Gearbox (SP120 Original Type)' Now

Modify Adjustable Trigger Group for MOD24 Sniper Rifle
Manufacturer: Modify

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop In Assembly
  • Adjustable Trigger
$50.00
Buy 1 'Modify Adjustable Trigger Group for MOD24 Sniper Rifle' Now

Modify Complete 8mm TORUS AK Front Wire Gearbox (Torque Type/M120)
Manufacturer: Modify

AEG Gearbox & Accessories
  • Modular Gear Set (21:6:1)
  • Selector Plate
  • M120 Tuned Spring
  • T Connector
  • 45-Day Warranty
$276.00
Buy 1 'Modify Complete 8mm TORUS AK Front Wire Gearbox (Torque Type/M120)' Now

Modify Complete 8mm TORUS AK Front Wire Gearbox - Speed Type/M100
Manufacturer: Modify

AEG Gearbox & Accessories
  • Modular Gear Set (16:32:1)
  • Selector Plate
  • M100 Tuned Spring
  • T Connector
  • 45-Day Warranty
$276.00
Buy 1 'Modify Complete 8mm TORUS AK Front Wire Gearbox - Speed Type/M100' Now

Modify Complete 8mm TORUS AK Front Wire Gearbox - Super Toque Type/M130
Manufacturer: Modify

AEG Gearbox & Accessories
  • Modular Gear Set (21:6:1)
  • Selector Plate
  • M130 Tuned Spring
  • T Connector
  • 45-Day Warranty
$292.00
Buy 1 'Modify Complete 8mm TORUS AK Front Wire Gearbox - Super Toque Type/M130' Now

Modify Complete 8mm TORUS AK Rear Wire Gearbox - Speed Type/M100
Manufacturer: Modify

AEG Gearbox & Accessories
  • Modular Gear Set (16:32:1)
  • Selector Plate
  • M100 Tuned Spring
  • T Connector
  • 45-Day Warranty
$276.00
Buy 1 'Modify Complete 8mm TORUS AK Rear Wire Gearbox - Speed Type/M100' Now

Modify Complete 8mm TORUS AK Rear Wire Gearbox - Super Toque Type/M130
Manufacturer: Modify

AEG Gearbox & Accessories
  • Modular Gear Set (21:6:1)
  • Selector Plate
  • M130 Tuned Spring
  • T Connector
  • 45-Day Warranty
$292.00
Buy 1 'Modify Complete 8mm TORUS AK Rear Wire Gearbox - Super Toque Type/M130' Now

Modify Complete 8mm TORUS AK Rear Wire Gearbox - Toque Type/M120
Manufacturer: Modify

AEG Gearbox & Accessories
  • Modular Gear Set (21:6:1)
  • Selector Plate
  • M120 Tuned Spring
  • T Connector
  • 45-Day Warranty
$276.00
Buy 1 'Modify Complete 8mm TORUS AK Rear Wire Gearbox - Toque Type/M120' Now

Modify M16 Speed Complete Mechbox-Rear Wired with T-Connector (Speed Type/S100+)
Manufacturer: Modify

AEG Gearbox & Accessories
  • Drop In Assembly
  • Upgraded Internal Components
  • Complete Gearbox Assembly
  • 45 Day Warranty
$248.00
Buy 1 'Modify M16 Speed Complete Mechbox-Rear Wired with T-Connector (Speed Type/S100+)' Now

Modify M16 Torque Complete Mechbox-Rear Wired with T-Connector (Torque Type/S120+)
Manufacturer: Modify

AEG Gearbox & Accessories
  • Drop In Assembly
  • Upgraded Internal Components
  • Complete Gearbox Assembly
  • 45 Day Warranty
$248.00
Buy 1 'Modify M16 Torque Complete Mechbox-Rear Wired with T-Connector (Torque Type/S120+)' Now

Modify M4 S120 Torque Complete Gearbox (Front Wired/T-Connector)
Manufacturer: Modify

AEG Gearbox & Accessories
  • Modular Gear Set (21:6:1)
  • Selector Plate
  • M120 Tuned Spring
  • T Connector
  • 45-Day Warranty
$248.00
Buy 1 'Modify M4 S120 Torque Complete Gearbox (Front Wired/T-Connector)' Now

Modify Speed M100 Complete Version 2 Gearbox for M4 (Front Wired/Ultra Plug)
Manufacturer: Modify

AEG Gearbox & Accessories
  • Upgraded Internal Components
  • Complete Gearbox Assembly
  • Steel 8mm Bushings
  • Modify 8mm Torus Mechbox
  • Low Resistance M4A1 Wiring Harness
$248.00
Buy 1 'Modify Speed M100 Complete Version 2 Gearbox for M4 (Front Wired/Ultra Plug)' Now

Modify Spring Set for Ver.2/Ver.3 Gearbox
Manufacturer: Modify

AEG Gearbox & Accessories
  • Metal Construction
  • Designed for a Ver. 2 or Ver. 3 Gearbox
  • 45 Day Warranty
$7.00
Buy 1 'Modify Spring Set for Ver.2/Ver.3 Gearbox' Now

Modify Torus Ver. 2 Reinforced 7mm AEG Gearbox w/ Tappet Plate

(2 reviews)

Modify Torus Ver. 2 Reinforced 7mm AEG Gearbox w/ Tappet Plate
Manufacturer: Modify

AEG Gearbox & Accessories
  • Reinforced Gearbox Shell
  • Designed for High ROF & High FPS Setup
  • Ports for Quick Internal Examination
  • Includes: One (1) Gearbox Shell
$72.08
Buy 1 'Modify Torus Ver. 2 Reinforced 7mm AEG Gearbox w/ Tappet Plate' Now

PolarStar Fusion Engine Drop-in Gear Box for M240B
Manufacturer: PolarStar

AEG Gearbox & Accessories
  • Drop-In Assembly
  • Adjustable Velocity Output
  • Adjustable Rate of Fire Output
  • Includes: One (1) Drop-In Kit / FCU
$500.00
Buy 1 'PolarStar Fusion Engine Drop-in Gear Box for M240B' Now

SHS AEG Spring Kit for Version 3
Manufacturer: SHS

AEG Gearbox & Accessories
  • Metal Construction
  • OEM Replacment
  • Fits Ver. 3 Gear Boxes
  • 45-Day Warranty
$3.00
Buy 1 'SHS AEG Spring Kit for Version 3 ' Now

SHS AEG Spring Kit for Version 7
Manufacturer: SHS

AEG Gearbox & Accessories
  • Metal Construction
  • OEM Replacment
  • Fits Ver. 7 Gear Boxes
  • 45-Day Warranty
$3.00
Buy 1 'SHS AEG Spring Kit for Version 7' Now

SHS Bracer & Gearbox Stabilizer
Manufacturer: SHS

AEG Gearbox & Accessories
  • Metal Construction
  • Increased Gearbox Support
  • Prevents Gearbox from Cracking
  • 45 Day Warranty
$18.50
Buy 1 'SHS Bracer & Gearbox Stabilizer' Now

Super Shooter CNC 8mm Gear Box for Version 3
Manufacturer: Super Shooter

AEG Gearbox & Accessories
  • CNC Aluminum Construction
  • Designed for the Version 3 Gearbox
  • Includes 8mm Bearing
  • 45 Day Warranty
$120.00
Buy 1 'Super Shooter CNC 8mm Gear Box for Version 3' Now

Systema Spring Set for AEGs

(0 review)

Systema Spring Set for AEGs
Manufacturer: Systema

AEG Gearbox & Accessories
  • OEM Replacement
  • Metal Construction
  • Complete Gearbox Spring Set
  • Includes: One (1) Spring Set
$6.00
Buy 1 'Systema Spring Set for AEGs' Now

Valken V12 Engine Drop-In HPA Gear Box for M4 AEG

(1 review)

Valken V12 Engine Drop-In HPA Gear Box for M4 AEG
Manufacturer: Valken

AEG Gearbox & Accessories
  • Drop-In Assembly
  • Adjustable Velocity Output
  • Adjustable Rate of Fire Output
  • Includes: One (1) Drop-In Kit / FCU
$299.00
Buy 1 'Valken V12 Engine Drop-In HPA Gear Box for M4 AEG' Now

VFC Mech Box for Version2 w/ 8mm Bushing
Manufacturer: VFC

AEG Gearbox & Accessories
  • OEM Replacement
  • Should Fit TM-style M4 AEG Receivers
  • Stable Construction
$55.00
Buy 1 'VFC Mech Box for Version2  w/ 8mm Bushing' Now

Well Complete Gearbox for R2C Skorpion
Manufacturer: WELL

AEG Gearbox & Accessories
  • Complete Gearbox Assembly
  • OEM Replacement
  • Designed for Well R2C Skorpion
$23.00
Buy 1 'Well Complete Gearbox for R2C Skorpion' Now

Echo 1 Spring Set for AEGs
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • OEM Replacement
  • Metal Construction
  • Complete Gearbox Spring Set
  • Includes: One (1) Spring Set
$6.00
Out of Stock

Lancer Tactical Version 2 8mm QD Gearbox Shell w/ Bearings (Red)
Manufacturer: Lancer Tactical

AEG Gearbox & Accessories
  • Easy Release Spring Function
  • Reinforced Design
  • 8mm Bushing / Bearing Compatible
  • Includes: One (1) Gearbox Shell
$99.99
Available on GITactical.com
Out of Stock

PolarStar Fusion Engine Drop-in Gear Box for AK
Manufacturer: PolarStar

AEG Gearbox & Accessories
  • Drop-In Assembly
  • Adjustable Velocity Output
  • Adjustable Rate of Fire Output
  • Includes: One (1) Drop-In Kit / FCU
$470.00
Out of Stock

Big Dragon Version 2 Complete Gearbox w/Quick Change Spring
Manufacturer: Big Dragon

AEG Gearbox & Accessories
  • Complete Gearbox Assembly
  • Upgraded Internal Components
  • Drop-In Assembly
  • Quick Change Spring System
$89.99
Out of Stock

Bravo Airsoft High Performance 8mm Gearbox for Version 3 with Bearings and Tappet Plate
Manufacturer: Bravo

AEG Gearbox & Accessories
  • High Quality, Metal Construction
  • Reinforced
  • 8mm Bearings
$39.00
Out of Stock

CYMA Complete Gearbox for CM030 AEP
Manufacturer: CYMA

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for CM030 AEP Series
  • Reinforced Frame
$24.95
Out of Stock

CYMA Complete Version 3 Gearbox for AK47 Series
Manufacturer: CYMA

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for CYMA AK Series
  • Reinforced Frame
$62.99
Out of Stock

D Boy M4 AEG Gearbox with Metal Bushings

(1 review)

D Boy M4 AEG Gearbox with Metal Bushings
Manufacturer: D Boy

AEG Gearbox & Accessories
  • OEM Replacement
  • Direct Drop-In Assembly
  • Design for D Boy M4
  • Includes: One (1) Complete Gearbox
$56.10
Out of Stock

Echo 1 ER25 Complete Gearbox
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • OEM Replacement
  • Durable Material
  • Includes Mosfet
  • 30-Day Warranty
$160.00
Out of Stock

Echo 1 OEM M14 Bevel Gear for Version 7
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • Durable Material
  • OEM Replacement
  • 30-Day Warranty
$15.00
Out of Stock

Echo1 XCR Upper Gearbox
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • OEM Replacement
  • Solid Metal Construction
$45.00
Out of Stock

Jag Arms COMPLETE MECH BOX FOR MP 40
Manufacturer: Jag Arms

AEG Gearbox & Accessories
  • Complete Gearbox Assembly
  • Drop-In Assembly
  • Includes: One (1) Complete Gearbox
  • 45 Day Warranty
$75.00
Out of Stock

JG Complete AK-47 Upgraded/Reinforced AEG Gearbox
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for JG AK Series
  • Upgraded Reinforcement
  • Includes: One (1) Complete Gearbox
$59.98
Out of Stock

JG Complete MK5 Upgraded/Reinforced AEG Gearbox
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for JG MK5 Series
  • Upgraded Reinforcement
  • Includes: One (1) Complete Gearbox
$59.98
Out of Stock

JG M16 M130 Complete AEG Gearbox (Rear Wired)

(1 review)

JG M16 M130 Complete AEG Gearbox (Rear Wired)
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for M4 / M16
  • Rear Wired
  • Includes: One (1) Complete Gearbox
$65.00
Out of Stock

JG MK36C Complete AEG Gearbox

(1 review)

JG MK36C Complete AEG Gearbox
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for JG MK36
  • Includes: One (1) Complete Gearbox
$60.00
Out of Stock

JG MK36C Complete AEG Gearbox (No Motor)

(2 reviews)

JG MK36C Complete AEG Gearbox (No Motor)
Manufacturer: JG

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for Echo 1 / JG MK36
  • Includes: One (1) Complete Gearbox
$40.00
Out of Stock

King Arms 8MM Reinforced AEG Gearbox for MK5
Manufacturer: King Arms

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bushing / Bearing Compatible
  • Includes: Gearbox Shell, Bearings, Selector Plate
$65.00 
$55.25
Save $9.75
Out of Stock

Krytac AEG Complete Nautilus Ver. 2 Gearbox
Manufacturer: Krytac

AEG Gearbox & Accessories
  • OEM Replacement or Upgrade
  • Integrated MOSFET
  • Easy Spring Change System
  • Sorbothane Padded Cylinder Head
$174.95
Out of Stock

KWA Version 2 2GX AEG Gearbox Shell w/ 9mm Bearings
Manufacturer: KWA

AEG Gearbox & Accessories
  • OEM Replacement
  • Reinforced Design
  • 9mm Bushing / Bearing Compatible
  • Includes: One (1) Gearbox Shell
$90.00
Out of Stock

Lonex M16-A2 Rear-Wired Complete AEG Gearbox (SP120 Original Type)

(2 reviews)

Lonex M16-A2 Rear-Wired Complete AEG Gearbox (SP120 Original Type)
Manufacturer: Lonex

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Drop In Assembly
  • Includes: One (1) Complete Gearbox
$174.99
Out of Stock

Lonex SR-16 Complete AEG Gearbox (SP120 Original Type)

(1 review)

Lonex SR-16 Complete AEG Gearbox (SP120 Original Type)
Manufacturer: Lonex

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Drop In Assembly
  • Includes: One (1) Complete Gearbox
$172.99
Out of Stock

Modify Torus Ver. 2 Reinforced 8mm AEG Gearbox w/ Tappet Plate

(1 review)

Modify Torus Ver. 2 Reinforced 8mm AEG Gearbox w/ Tappet Plate
Manufacturer: Modify

AEG Gearbox & Accessories
  • Reinforced Gearbox Shell
  • Designed for High ROF & High FPS Setup
  • Ports for Quick Internal Examination
  • Includes: One (1) Gearbox Shell
$77.38
Out of Stock

PolarStar Fusion Engine Drop-in Gear Box for M249
Manufacturer: PolarStar

AEG Gearbox & Accessories
  • Drop-In Assembly
  • Adjustable Velocity Output
  • Adjustable Rate of Fire Output
  • Includes: One (1) Drop-In Kit / FCU
$500.00
Out of Stock

PolarStar Fusion Engine Drop-In Gear Box for M4 AEG (Gen. 3)

(3 reviews)

PolarStar Fusion Engine Drop-In Gear Box for M4 AEG (Gen. 3)
Manufacturer: PolarStar

AEG Gearbox & Accessories
  • Drop-In Assembly
  • Adjustable Velocity Output
  • Adjustable Rate of Fire Output
  • Includes: One (1) Drop-In Kit / FCU
$470.00
Out of Stock

PolarStar Fusion Engine Drop-In Gear Box for M4 AEG (Gen. 3/Patriot Edition)
Manufacturer: PolarStar

AEG Gearbox & Accessories
  • Drop-In Assembly
  • Adjustable Velocity Output
  • Adjustable Rate of Fire Output
  • Includes: One (1) Drop-In Kit / FCU
$470.00
Out of Stock

SHS AEG Spring Kit for Version 2
Manufacturer: SHS

AEG Gearbox & Accessories
  • Replacement parts for V2 gearbox.
  • 45-Day Warranty
$3.00
Out of Stock

SRC Complete 6mm MK36 AEG Gearbox
Manufacturer: SRC

AEG Gearbox & Accessories
  • OEM Replacement
  • 6mm Bushings / Bearings Compatible
  • Includes: One (1) Complete Gearbox
$150.00
Out of Stock

Systema Complete AEG Gearbox & Magnum Motor for MK5
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$320.00
Out of Stock

Systema Complete High Speed 1 Joule AEG Gearbox for M16
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$240.00
Out of Stock

Systema Complete High Speed 1 Joule AEG Gearbox for M4
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$240.00
Out of Stock

Systema Complete High Speed 1 Joule AEG Gearbox for MK5
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$240.00
Out of Stock

Systema Complete M120 AEG Gearbox for FS3 series
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$240.00
Out of Stock

Systema Complete M120 AEG Gearbox for M16 series

(2 reviews)

Systema Complete M120 AEG Gearbox for M16 series
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$240.00
Out of Stock

Systema Complete M120 AEG Gearbox for M4 series

(1 review)

Systema Complete M120 AEG Gearbox for M4 series
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$240.00
Out of Stock

Systema Complete M120 AEG Gearbox for MK5 series
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$240.00
Out of Stock

Systema Complete M150 AEG Gearbox for FS3
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$260.00
Out of Stock

Systema Complete M150 AEG Gearbox for M16 (wire to the back)
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$260.00
Out of Stock

Systema Energy Complete 1 Joule AEG Gearbox for M4-A1/M4 RIS/S-System
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$249.95
Out of Stock

Systema Energy Complete 1 Joule AEG Gearbox for XM177-E2
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$249.95
Out of Stock

Systema Energy Complete M120 AEG Gearbox for M16-A2/SR16-M4

(1 review)

Systema Energy Complete M120 AEG Gearbox for M16-A2/SR16-M4
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$279.95
Out of Stock

Systema Energy Complete M150 AEG Gearbox for M16-A1/VN
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$299.95
Out of Stock

Systema Energy Complete M150 AEG Gearbox for M16-A2/SR16-M4
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
$299.95
Out of Stock

Systema Reinforced 7mm AEG Gearbox for FS3 Series

(1 review)

Systema Reinforced 7mm AEG Gearbox for FS3 Series
Manufacturer: Systema

AEG Gearbox & Accessories
  • Upgrade / Replacement
  • 7mm Bearings / Bushing Compatible
  • Reinforced Design
  • Includes: Gearbox Shell, Selector Plate, Bearings
$70.00
Out of Stock

Systema Reinforced 7mm AEG Gearbox for M4/M16 Series

(1 review)

Systema Reinforced 7mm AEG Gearbox for M4/M16 Series
Manufacturer: Systema

AEG Gearbox & Accessories
  • Upgrade / Replacement
  • 7mm Bearings / Bushing Compatible
  • Reinforced Design
  • Includes: Gearbox Shell, Selector Plate, Bearings
$70.00
Out of Stock

Systema Reinforced 7mm AEG Gearbox for MK5 Series
Manufacturer: Systema

AEG Gearbox & Accessories
  • Upgrade / Replacement
  • 7mm Bearings / Bushing Compatible
  • Reinforced Design
  • Includes: Gearbox Shell, Selector Plate, Bearings
$70.00
Out of Stock

(Discontinued) SRC 8mm Reinforced AEG Gearbox for Ver. 2
Manufacturer: SRC

AEG Gearbox & Accessories
Item Discontinued

(Discontinued) SRC 8mm Reinforced AEG Gearbox for Ver. 3
Manufacturer: SRC

AEG Gearbox & Accessories
Item Discontinued

(Discontinued) SRC Complete 8mm MK36 AEG Gearbox (~400FPS)

(1 review)

(Discontinued) SRC Complete 8mm MK36 AEG Gearbox (~400FPS)
Manufacturer: SRC

AEG Gearbox & Accessories
Item Discontinued

(Discontinued) STAR M249 Replacement gearbox

(1 review)

(Discontinued) STAR M249 Replacement gearbox
Manufacturer: Star Airsoft

AEG Gearbox & Accessories
Item Discontinued

Bravo Complete 8mm AEG Gearbox for M16 (Wired to the Rear)

(1 review)

Bravo Complete 8mm AEG Gearbox for M16 (Wired to the Rear)
Manufacturer: Bravo

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Drop In Assembly
  • Includes: One (1) Complete Gearbox
Item Discontinued

Bravo High Performance 8mm AEG Gearbox for M4/M16
Manufacturer: Bravo

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bearings / Bushings Compatible
  • Designed for Tuned / Performance Setups
  • Includes: Gearbox Shell, Bearings, Tappet & Selector Plate
Item Discontinued

Bravo Version 2 High Performance Gearbox Screw Set

(1 review)

Bravo Version 2 High Performance Gearbox Screw Set
Manufacturer: Bravo

AEG Gearbox & Accessories
  • Precision Machined
  • Anodized Finish
  • Metal Construction
  • Includes: Eight (8) Gearbox Screws
Item Discontinued

Classic Army Extensive 7mm AEG Gearbox for SR25
Manufacturer: Classic Army

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Design: Classic Army SR25
  • 7mm Bearings
  • Includes: One (1) Gearbox Shell
Item Discontinued

Classic Army Version 2 Reinforced 7mm AEG Gearbox

(1 review)

Classic Army Version 2 Reinforced 7mm AEG Gearbox
Manufacturer: Classic Army

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Metal Construction
  • 7mm Bushings / Bearings Compatible
  • Includes: One (1) Gearbox Shell
Item Discontinued

Classic Army Version 2 Reinforced AEG Gearbox

(5 reviews)

Classic Army Version 2 Reinforced AEG Gearbox
Manufacturer: Classic Army

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Metal Construction
  • 6mm Bushings / Bearings Compatible
  • Includes: One (1) Gearbox Shell
Item Discontinued

Classic Army Version 3 Reinforced 7mm AEG Gearbox
Manufacturer: Classic Army

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Metal Construction
  • 7mm Bushings / Bearings Compatible
  • Includes: One (1) Gearbox Shell
Item Discontinued

Echo 1 Complete 7mm AEG Gearbox for E90

(3 reviews)

Echo 1 Complete 7mm AEG Gearbox for E90
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • OEM Replacement
  • Drop-In Gearbox for Echo 1 E90
  • Complete Gearbox
Item Discontinued

Echo 1 E90 7mm Ver. 6 AEG Gearbox
Manufacturer: ECHO 1

AEG Gearbox & Accessories
  • OEM Replacement
  • Designed for Echo 1 E90
  • 7mm Design
Item Discontinued

G&P 6mm AEG Gearbox for M4/M16
Manufacturer: G&P

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced
  • 6mm Bushing / Bearing Compatible
  • Includes: One (1) Gearbox Shell
Item Discontinued

G&P 7mm AEG Gearbox for M4/M16
Manufacturer: G&P

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced
  • 7mm Bushing / Bearing Compatible
  • Includes: One (1) Gearbox Shell
Item Discontinued

G&P 8mm Bearing AEG Gearbox

(2 reviews)

G&P 8mm Bearing AEG Gearbox
Manufacturer: G&P

AEG Gearbox & Accessories
Item Discontinued

Guarder Version 2 Reinforced AEG Gearbox

(4 reviews)

Guarder Version 2 Reinforced AEG Gearbox
Manufacturer: Guarder

AEG Gearbox & Accessories
  • 6mm Design
  • Metal Construction
  • Reinforced
  • Includes: One (1) Gearbox Shell
Item Discontinued

Guarder Version 3 Reinforced AEG Gearbox

(2 reviews)

Guarder Version 3 Reinforced AEG Gearbox
Manufacturer: Guarder

AEG Gearbox & Accessories
  • 6mm Design
  • Metal Construction
  • Reinforced
  • Includes: One (1) Gearbox Shell
Item Discontinued

ICS AK Version 3 Complete Gear Box
Manufacturer: ICS

AEG Gearbox & Accessories
  • OEM Replacement
  • Metal Construction
  • Drop In Kit
Item Discontinued

ICS M100 Upper AEG Gearbox Assembly for ICS M16 Tactical Carbine

(1 review)

ICS M100 Upper AEG Gearbox Assembly for ICS M16 Tactical Carbine
Manufacturer: ICS

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Designed for ICS Split Gearbox Design
  • Metal Construction
  • Includes: One (1) Upper Gearbox
Item Discontinued

ICS Version 2 Reinforced AEG Gearbox

(1 review)

ICS Version 2 Reinforced AEG Gearbox
Manufacturer: ICS

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Metal Construction
  • 6mm Bushings Compatible
Item Discontinued

King Arms 8MM Reinforced AEG Gearbox for M16/M4

(1 review)

King Arms 8MM Reinforced AEG Gearbox for M16/M4
Manufacturer: King Arms

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bushing / Bearing Compatible
  • Includes: Gearbox Shell, Bearings, Selector Plate
Item Discontinued

King Arms 8MM Reinforced AEG Gearbox for MK36
Manufacturer: King Arms

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bushing / Bearing Compatible
  • Includes: Gearbox Shell, Bearings, Selector Plate
Item Discontinued

King Arms 9MM Reinforced AEG Gearbox for AK
Manufacturer: King Arms

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 8mm Bushing / Bearing Compatible
  • Includes: Gearbox Shell, Bearings, Selector Plate
Item Discontinued

King Arms 9MM Reinforced AEG Gearbox for M16/M4

(1 review)

King Arms 9MM Reinforced AEG Gearbox for M16/M4
Manufacturer: King Arms

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 9mm Bushing / Bearing Compatible
  • Includes: Gearbox Shell, Bearings, Selector Plate
Item Discontinued

King Arms 9MM Reinforced AEG Gearbox for MK5
Manufacturer: King Arms

AEG Gearbox & Accessories
  • OEM Replacement / Upgrade
  • Reinforced Construction
  • 9mm Bushing / Bearing Compatible
  • Includes: Gearbox Shell, Bearings, Selector Plate
Item Discontinued

SRC Complete 8mm AK AEG Gearbox (~400FPS)
Manufacturer: SRC

AEG Gearbox & Accessories
  • OEM Replacement
  • 8mm Bushings / Bearings Compatible
  • Includes: One (1) Complete Gearbox
Item Discontinued

SRC Complete 8mm M4 AEG Gearbox (~400FPS)

(1 review)

SRC Complete 8mm M4 AEG Gearbox (~400FPS)
Manufacturer: SRC

AEG Gearbox & Accessories
  • OEM Replacement
  • 8mm Bushings / Bearings Compatible
  • Includes: One (1) Complete Gearbox
Item Discontinued

Systema Energy Complete 1 Joule AEG Gearbox for M16-A2/SR16-M4
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
Item Discontinued

Systema Energy Complete M120 AEG Gearbox for M4-A1/M4-RIS
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop-In Kit
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox
Item Discontinued

Systema Energy Complete Metal AEG Gearbox w/ Magnum Motor Set for M16-A2
Manufacturer: Systema

AEG Gearbox & Accessories
  • Completely Upgraded Version 2 Gearbox
  • Drop in Replacement Design
  • Includes Systema MAGNUM Motor
  • Built Entirely from Systema Energy Parts
Item Discontinued

Systema Super Hi Speed CMB & Motor Set for FS3
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop in Replacement Design
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox, Turbo Motor
Item Discontinued

Systema Super-Hi-Speed CMB & Motor Set for MK5 (full-stock)
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop in Replacement Design
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox, Turbo Motor
Item Discontinued

Systema Super-Hi-Speed CMB & Motor Set for SR-16 (full-stock)
Manufacturer: Systema

AEG Gearbox & Accessories
  • Performance Upgrade
  • Drop in Replacement Design
  • Increased Reliability / Performance
  • Includes: One (1) Complete Gearbox, Turbo Motor
Item Discontinued

Systema Version 2 Reinforced 7mm AEG Gearbox

(1 review)

Systema Version 2 Reinforced 7mm AEG Gearbox
Manufacturer: Systema

AEG Gearbox & Accessories
  • Upgrade / Replacement
  • 7mm Bearings / Bushing Compatible
  • Reinforced Design
  • Includes: Gearbox Shell, Selector Plate, Bearings
Item Discontinued
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