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

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.Features: