Product Description
High quality, made in USA, 5/16 drill bit.
Perfect for home-smithing the hole mod on your WK180-C upper receiver to fit an upgraded self-lubricating brass bushing in your gun.
Don't want to do the gun-smithing yourself? No problem, we can do the machining for you.
You get: (1) 5/16 Drill BitTools required: None Installation Tips: