This second generation Version 2 Ultra High Torque M4A1 Gearbox is designed for durability and reliability. Nearly every internal piece comes pre-upgraded and many of the components are metal including the air nozzle and trigger. The enhanced gear set is supported by a quality shim set and 8mm steel ball bearing bushings. To encourage flawless gear function each gear has been treated with Teflon grease. If you're looking to upgrade your stock gearbox to improve performance, this Version 2 gearbox is a fantastic choice and is compatible with all MP5, G3, and M4 AEGs available on the market.
NOTE: Airsoft Megastore recommends that all internal upgrades and/or repairs be handled by a qualified airsoft technician. Airsoft Megastore is NOT responsible for improperly installed replacement or upgrade airsoft parts. DO NOT disassemble your airsoft gun within Airsoft Megastoreâ€™s warranty period, as this will VOID your warranty.
1X complete Version 2 gearbox
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