You can find the Bootleg 5.56 Nitride Bolt Carrier Group here.

The Bootleg 5.56 Nitride Bolt Carrier Group is a complete BCG machined from 4140 steel and finished with a black nitride coating. The Nitride coating enhances the surface hardness, ensuring smooth operation and minimizing the need for frequent lubrication. Further, this results in a cleaner and more reliable shooting experience. Uses all Mil-Spec components and built to meet Mil-Spec requirements including a staked gas key. Full Auto bolt carrier group.

Features:

• Machined from 4140 Steel
• Nitride Coated
• Uses all Standard Mil Spec components and Staked Mil Spec Gas Key
• 5.56 Complete Bolt Assembly
• Complete with Cam Pin, Firing Pin and Firing Pin retaining Pin