American Tactical Arms ATA15 M16 Auto Bolt Carrier Group BCG Black

American Tactical Arms ATA15 M16 Auto Bolt Carrier Group BCG Black. 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 Carrier Material: 8620 Steel Bolt Material: 9310 Steel Caliber: .350 Legend .300 AAC Blackout .223 Remington Gun Make: AR Platform Gun Model: M16 M4 AR-15 Hand: Right Last Chance: Yes 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 What firearm models does the manufacturer say American Tactical Arms ATA15 M16 Auto Bolt Carrier Group (BCG) is compatible with? The manufacturer says that American Tactical Arms ATA15 M16 Auto Bolt Carrier Group (BCG) is compatible with AR-15 M4 M16American Tactical Arms BCG-ATA15-BLK: ATA15 M16 Auto Bolt Carrier Group Black