Why buy from Airsoft Station?
-
FREE SHIPPINGOn purchases over $199
(lower 48 states) -
Returns & WarrantyReturns & Warranty Policy
for 30 days -
RAVE reviewsRated 4.6/5 by 35,000+
Happy Customers
The BIK-03 is a drop-in version 3 gearbox for AKs by Dboys. The gearbox comes pre-assembled, greased, shimmed, and uses 7mm bearings. This gearbox can be used to replace damaged gearboxes, for custom built guns, or for learning how to work on gearboxes.
Parts Return Policy See Policy Page