BCM bolt carrier group, with a parkerized exterior and chrome lined carrier interior, has been machined to USGI specifications. This M16/M4 carrier includes a properly staked gas key which has also been chrome lined, heat treated per Mil-Spec, and secured to the carrier with grade 8 fasteners.
5.56 NATO
Bravo Company Manufacturing AR-15 Bolt Carrier Group
$199.99Price