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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 16 (of 16 products) Per page count: 25 50 100 200  Result Pages:  1  

Polar Star Fusion Engine Drop-in Gear Box for AK
Manufacturer: Polar Star

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 'Polar Star Fusion Engine Drop-in Gear Box for AK' Now

Polar Star Fusion Engine Drop-in Gear Box for M240B
Manufacturer: Polar Star

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 'Polar Star Fusion Engine Drop-in Gear Box for M240B' Now

Polar Star Fusion Engine Drop-in Gear Box for M249
Manufacturer: Polar Star

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 'Polar Star Fusion Engine Drop-in Gear Box for M249' Now

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
$449.00
Buy 1 'Valken V12 Engine Drop-In HPA Gear Box for M4 AEG' Now

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

(3 reviews)

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

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

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 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 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 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
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
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
Out of Stock

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
 Displaying 1 to 16 (of 16 products) Per page count: 25 50 100 200  Result Pages:  1  
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