The Bootleg 5.56 Nitride AR-15 Bolt Carrier Group is a complete BCG machined from 4140 steel and finished with a black nitride coating. The bolt is black phosphate coated. Uses all Mil-Spec components and built to meet Mil-Spec requirements including a staked gas key. Semi Auto bolt carrier group.
- Machined from 4140 Steel
- Nitride Coated Carrier Group
- Uses all Standard Mil Spec components and Staked Mil Spec Gas Key
- 5.56 Phosphate Complete Bolt Assembly
- Complete with Cam Pin, Firing Pin and Firing Pin retaining Pin