2A Armament Lightweight Non-Adjustable BCG 2A-LWBCG-S

2A Armament AR15 Lightweight Bolt Carrier Group Black. The LWBCG combines a very high quality forward body and an advanced bearing surface aluminum tail to give the shooter a reliable lightweight and high quality bolt carrier group. The advanced finned design of the tail section of the LWBCG reduces drag and wear within the receiver extension which increases reliability. NOTE: Does not support the use of forward assist. Not compatible with full auto systems. 2A recommends the use of milspec buffers and buffer springs. Specifications for 2A Armament AR15 Lightweight Bolt Carrier Group: Manufacturer: 2A Armament Color: Black Finish: Anodized Fabric/Material: 7075-T6 Rear Body Gun Make: AR Platform Gun Model: AR-15 Weight: 7.9 oz Bolt Material: 9310 Steel Carrier Material: 8620 Steel Features of 2A Armament Lightweight Bolt Carrier Group BCG: Carrier: 8620 steel heat treated QPQ Nitride Bolt: 9310 steel heat treated MP Cryo'd QPQ Nitride Rear body: 7075-T6 hard anodized clear Extractor: machined heat treated QPQ Nitride Carrier key: machined heat treated QPQ Nitride staked screws Package Contents: 2A Armament AR15 Lightweight Bolt Carrier Group 2A Armament 2A-LWBCG-S: AR15 Lightweight Bolt Carrier Group Black