FB Fighting Bro Shim Kit
Fighting Bro FB Shim Kit
A shim set is a must-have if you wanna upgrade metal gears installed.
Reduce the friction and noise between each gear.
Compatible with jinming gen8, jinming scar v2, wells m4, wells g36c etc,.
Material: stainless steel
Outer dia: 6mm
Inner dia: 3mm
One shim set includes: