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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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 Displaying 1 to 34 (of 34 products) Per page count: 25 50 100 200  Result Pages:  1  

ICS AK Version 3 Complete Gear Box
Manufacturer: ICS

AEG Gearbox & Accessories
$150.00 
$135.00
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Buy 1 'ICS AK Version 3 Complete Gear Box' 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 
$94.50
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Systema Spring Set for AEGs

(1167 reviews)

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 
$5.40
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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
$65.00 
$58.50
Save 10%
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 
$58.50
Save 10%
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 
$288.00
Save 10%
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 
$216.00
Save 10%
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 
$216.00
Save 10%
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 
$216.00
Save 10%
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 
$216.00
Save 10%
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 
$216.00
Save 10%
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 
$216.00
Save 10%
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 
$216.00
Save 10%
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 
$234.00
Save 10%
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 
$234.00
Save 10%
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 
$224.96
Save 10%
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 
$224.96
Save 10%
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 
$251.96
Save 10%
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 
$269.95
Save 10%
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 
$269.95
Save 10%
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 
$63.00
Save 10%
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 
$63.00
Save 10%
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 
$63.00
Save 10%
Out of Stock

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
$290.00 
$261.00
Save 10%
Out of Stock

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
$290.00 
$261.00
Save 10%
Out of Stock

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
$290.00 
$261.00
Save 10%
Out of Stock

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
$75.00 
$67.50
Save 10%
Out of Stock

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 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 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 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

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
 Displaying 1 to 34 (of 34 products) Per page count: 25 50 100 200  Result Pages:  1  
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