Aero Precision 5.56 Bolt Carrier Group | Black Nitride

Aero Precision 5.56 Bolt Carrier Group | Black Nitride

Reliable, Precision-Engineered BCG for Your AR-15

The Aero Precision 5.56 Black Nitride Bolt Carrier Group (BCG) is engineered for shooters demanding reliability, consistency, and longevity from their AR-15 platform. Machined to mil-spec standards and finished in durable Black Nitride, this premium component offers smooth cycling, superior wear resistance, and easy maintenance — ideal for professional, tactical, or range use.

Key Features:

• M16-cut carrier for full-auto-rated durability and maximum compatibility.
• Carrier machined from 8620 Tool Steel for long-lasting strength.
• Bolt made from 9310 Steel, shot peened for enhanced surface hardness and fatigue resistance.
• Black Nitride Finish – Reduces friction, resists corrosion, and simplifies cleaning.
• Properly staked gas key prevents loosening during high round counts.
• Forward assist serrations for added functionality and control.
• HPT (High Pressure Tested) & MPI (Magnetic Particle Inspected) to ensure structural integrity and reliability.
• Black O-ring extractor insert improves extraction consistency and cycling reliability.

Built for Performance & Dependability

Designed to perform flawlessly under pressure, the Aero Precision 5.56 Black Nitride Bolt Carrier Group offers exceptional strength, smoothness, and long-term reliability. Whether you’re building a duty rifle, competition gun, or precision AR-15, this BCG provides the performance and durability trusted by professionals and enthusiasts alike.

Caliber: 5.56 NATO / .223 Remington

Platform: AR-15 / M16 / M4 compatible

Finish: Black Nitride