10 Best Airsoft Gearbox of December 2025

List of Top Rated Airsoft Gearbox from thousands of customer reviews & feedback.

Updated On Dec 2025

2,417 Reviews Studied

By Customer Ratings

1
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Elite Force Avalon VFC ECS Gen2 6mm BB Airsoft Gun Complete Gearbox Set Read Review

  • Compatible with Avalon VFC M4/M16 Airsoft Guns and other AEGs with a V2 gearbox
  • Standard version 2 gearbox design
  • Reinforced polymer internal components
  • Inline wired MOSFET
  • Match-grade internals

2
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AOLS Ball Bearing 8mm for AEG Gearbox 6PCS Read Review

  • Precision processed Steel/SUJ2 ball bearing - 8mm
  • High quality Airsoft replacement precision part
  • It will Effectively reduces wear and tear of gear axle and increases gear rotation rate and smoothness
  • Reduce battery drain rate and increase battery life
  • Suitable for all AEG Gearboxes

3
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Airsoft Shooting Gear Army Force CNC Super High Speed 13:1 Gear Set For V2 V3 Gearbox AEG Read Review

  • Made out of CNC steel.
  • Designed for Replace the Original Gear Set.
  • Suitable for V2 V3 AEG Rifle GearBox.
  • Weight - Approx 64g
  • Go to the middle left of the page to see the full Product Description.

4
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lancer tactical lt-01bl electric airsoft gun fps-400 m4 commando full & semi auto v2 full metal gearbox(Airsoft Gun) Read Review

  • Features: Electric Powered (AEG) True 1:1 Scale, Extremely Detailed! Velocity (FPS): 400 with 0.20g BB's Can Switch Between Full Auto and Semi Auto
  • High Capacity 300 Round Magazine Full Metal V2 Gearbox 6mm Metal Bearings Bearing Spring Guide
  • Long Type Torque Motor Ported Piston Head Custom M120 Spring Adjustable Aiming Sights Precision 6.03mm Tight Bore Copper Inner Barrel
  • Durable ABS Plastic Body Construction Integrated One Piece Hop Up System Individually Serial Numbered
  • Retractable LE Stock Removable Carrying Handle Working Safety

5
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Evike APS Steel Bore-up Air Nozzle for AK Series Airsoft AEG Gearboxes Read Review

  • Compatibility: For APS AK Series Airsoft Hybrid AEG Gearboxes
  • Material: Steel
  • Bore up parts feature larger inner diameters to increase air volume for each shot. Bore up parts must be used with other compatible bore up internal parts.

6
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Generic Airsoft Spare Parts CYMA 6mm Complete G36 V3 AEG Gearbox Version 3 with Motor Read Review

  • Includes CYMA standard motor.
  • 6mm metal bushing and version 3 standard gears.
  • Compatible with: Tokyo Marui (TM), AGM, Jing Gong (JG), CYMA, Echo1 Series G36 AEG.
  • Weight - Approx 737g (with motor)
  • Go to the middle of the page to read the complete Product Description.

7
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Evike ARES Airsoft Complete E.F.C.S Gearbox Set for ARES/Amoeba Series Airsoft AEGs (Model: Rear Wired) Read Review

  • Full metal ARES EFCS gear set with magnet
  • Quick change spring guide
  • Reinforced full teeth piston
  • Upgraded blue EFCS circuit board
  • Electronic trigger for instant trigger response
  • Low resistance silver wiring
  • Can be used in most AEGs that use a standard version 2 gearbox

8
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Airsoft Shooting Gear APS Silver Edge Extreme 8mm German Bearing AEG V2 Gearbox Version 2 Rear Line Read Review

  • Polished and Buffed surface improves smoothness.
  • 8mm Bearing Bushings, Bearing Piston Head and Bearing Spring Guide used.
  • Fully Compatitible with Aftermarket Airsoft Guns using V2 Gear Box.
  • Original Packing
  • Go to the middle left of the page to see the full Product Description.

9
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Evike Matrix G2 Complete Gearbox Assembly for TM Compatible V2 M4 / M16 Airsoft AEGs (Type: Front Wire / 350 FPS) Read Review

  • Matrix G2 high performance complete gearbox assembly
  • High strength, reinforced aluminum alloy gearbox shell
  • Quick change spring design allows you to quickly change between different springs without disassembly of the gearbox
  • Built in MOSFET for improved power regulation, motor performance, and trigger response
  • Microswitch trigger further improves trigger response and prevents arcing
  • 8mm ultra smooth bearings & bushings w/ upgraded internal parts
  • High grade low resistance wiring
  • Factory configured and tuned to 350~ FPS (using 363mm standard barrel, your results may vary)
  • *Modification may be required to fit certain brands or parts Modifications are NOT convered by this product's warranty; please have an experienced or qualified expert install this product if you are unsure.
  • [Style]: Front Wire / 350 FPS

10
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Airsoft Spare Parts E&C 8mm Complete QD Transform M4 M16 Series AEG V2 Gearbox Version 2 Rear Line Wiring Read Review

  • 2pcs 8mm ball bearings, 4pcs metal bushings.
  • Quick release spring and spring guide for easy power adjustment / spring replacement.
  • Replaces all major brand M4 standard gearbox.
  • Weight - Approx 507g
  • Go to the middle of the page to read the complete Product Description.