American Tactical Arms ATA15 M16 Auto Bolt Carrier Group (BCG)

The ATA Bolt Carrier Group BCG M16 Auto comes fully assembled and ready for your AR-15, M16 or M4. Machined to USGI specification and includes a properly stacked Mil-Spec gas key. All Bolt Carrier Group BCG are magnetic particle inspected, high pressure tested and test fired. As with all American Tactical Arms Products, our BCG are backed by our limited lifetime warranty. Specifications for American Tactical Arms ATA15 M16 Auto Bolt Carrier Group (BCG): Manufacturer: American Tactical Arms Color: Black Finish: Nitride Fabric/Material: Mil-Spec 8620 Steel Cartridge: .350 Legend, .300 AAC Blackout, .223 Remington Gun Make: AR Platform Gun Model: M16, M4, AR-15 Bolt Material: 9310 Steel Carrier Material: 8620 Steel Features of American Tactical Arms ATA15 M16 Auto Bolt Carrier Group BCG AR-15, M16, M4 Magnetic partical inspection High pressure tested Package Contents: American Tactical Arms ATA15 M16 Auto Bolt Carrier Group