Since the gas key wears out before any other components, the key is made as a separate component and bolts to the body of the carrier. To ensure the key doesn’t get loose after being subjected to gas and recoil, SIONICS BCGs are hand staked utilizing a Michiguns MOMOAKS staking jig. Staking the key in the MOMOAKS creates a much more consistent stake, which enhances the longevity of the bond created by the fasteners.
