Aero Precision 5.56 Black Nitride Bolt Carrier Group

Aero Precision 5.56 Black Nitride Bolt Carrier Group

Reliable & Precision-Engineered for Your AR-15

The Aero Precision 5.56 Black Nitride Bolt Carrier Group is built for durability, smooth operation, and long-term performance. Designed for mil-spec compatibility, this high-quality BCG is an essential upgrade for your AR-15 build, delivering reliability in demanding conditions.

Key Features

• M16-cut carrier for enhanced durability and compatibility with full-auto-rated components.
• Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt) for superior strength and longevity.
• Black Nitride Finish – Provides a low-friction, corrosion-resistant surface that reduces wear and simplifies maintenance.
• Forward assist serrations for quick and easy operation.
• Properly staked gas key to ensure reliability and prevent loosening over time.
• Shot peened for increased surface strength and improved resistance to stress fractures.
• HPT (High-Pressure Tested) and MPI (Magnetic Particle Inspected) to guarantee structural integrity and consistent performance.
• Black O-ring insert on extractor to enhance extraction and cycle consistency.

Built for Performance

Whether you’re assembling a defensive rifle, duty firearm, competition build, or general-purpose AR-15, the Aero Precision 5.56 Black Nitride Bolt Carrier Group offers exceptional function, durability, and reliability. With a sleek Black Nitride finish that enhances performance while reducing the need for frequent lubrication, this BCG is an excellent addition to any rifle platform.