This complete 223/5.56 bolt carrier group includes mil-spec bolt, m16 type, bolt carrier, firing pin, retainer, and cam pin.It has a black manganese phosphate coating with ceramic lined bolt carrier...
Spikes tactical complete phosphate m-16 bcg features phosphate coating inside and out (bolt, carrier and gas key), laser engraved with st spider logo, mil spec carrier and full auto m-16.Includes...