Bolt carrier group for your AR15 or M16. Parkerized exterior, chrome lined inside carrier, with heavier profile at rear of carrier group and under firing pin. Manufactured and assembled by USGI Contractor LMT (Lewis Machine and Tool). Completely assembled, includes bolt carrier, bolt, firing pin, cam pin, and retaining pin. Has been MPI tested. Never been fired in my possession. If you are in Central Florida, message me for private sale. Message if you need more pictures.