2A Armament 223, Bolt Carrier Group, QPQ Nitride, Lightweight BCG, Carrier: 8620 steel, Bolt: 9310 steel, Rear body: 7075-T6, 6AL-4V Titanium 2A-LWBCG-S
#TAG# 2A-LWBCG; 2A-LW; 2A-L #TAG#