Brownells 6.5 Grendel M16 / AR15 BCG w/ 9310 Steel Bolt
Product Code: BCG Brownells 6.5 Grendel M16
Availability: In Stock
Brownell's 6.5 Grendel M-16/AR-15 complete bolt carrier group. It features a 9310 steel bolt, 8620 carrier, and nitride finish.
It is an auto M-16 type BCG, but is also used in normal AR-15 rifles. It will not make the weapon automatic, and most AR-15 manufacturers use auto M-16 bolt carrier groups in their semi-automatic AR-15 builds.