Complete BCG Assembly Complete AR-15 bolt carrier group assembly, fully assembled and ready to drop into your upper.
M16 Style Carrier Built with an M16 style bolt carrier for AR-15 platform use.
8620 Steel Carrier Carrier is made out of 8620 steel for dependable performance and durability.
9310 Steel Bolt Bolt is made out of 9310 steel for strength in repeated cycling use.
Nitride Finish Nitride finish helps provide wear resistance and a clean black appearance.
Multi-Caliber Compatibility Compatible with 5.56, .223, .300 Blackout, .204 Ruger, and 350 Legend.