Radical Firearms Bolt Carrier Group BCG RF 7.62x39 M16 BCG Melonite Black 762MEL-BCG. 62x39mm Bolt Carrier Group features an M16 pattern 8620 tool steel carrier with 9310 alloy steel bolt shot-peened for increased surface strength and durability....
Radical Firearms Bolt Carrier Group BCG RF 7.62x39 M16 BCG Melonite Black 762MEL-BCG. 62x39mm Bolt Carrier Group features an M16 pattern 8620 tool steel carrier with 9310 alloy steel bolt shot-peened for increased surface strength and durability....