Aero Precision PRO AR15 5.56 Bolt Carrier Group – Black Nitride


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Aero Precision PRO AR15 5.56 Bolt Carrier Group – Black Nitride

Enhance your rifle’s performance with the Aero Precision PRO AR15 Bolt Carrier Group (BCG). Tailored for the demanding conditions faced by tactical professionals and shooting aficionados alike, this BCG is engineered from high-grade steel with a focus on longevity and reliability. A black nitride finish not only adds a sleek appearance but also reduces friction, aiding in smooth operation and easier cleaning.

Each component, from the cam pin to the firing pin, is precision-crafted to the strictest standards. The unique flash nitriding process guarantees proper heat treatment, resulting in superior hardness and wear resistance over standard BCGs. The bolt is meticulously machined from 9310 steel, ensuring a blend of toughness and endurance, and paired with a carrier designed for optimal gas efficiency, giving you the consistent performance you need, shot after shot.

Key Features:

  • Machined from 9310 steel for bolt, ensuring supreme durability
  • Black nitride finish on all components for reduced friction and ease of cleaning
  • Heat-treated and precision-ground components to guarantee reliable function
  • M16 cut carrier design optimized for gas efficiency
  • Bolt features shot peened and MPI tested construction for guaranteed structural integrity
  • Cam pin with engraved indexing mark to aid consistent installation
  • Nitride finished gas key is torqued to spec with grade 8 hex fasteners and properly staked
  • Phosphate finished extractor provides positive case engagement
Weight 0.88 oz
Dimensions 11.25 × 4.00 × 1.25 in




Aero Precision

Aero Precision is an industry-leading manufacturer of high-quality firearm components and accessories. Based in Tacoma, Washington, Aero Precision was founded in 1994 with a focus on precision engineering and military-grade performance. For over 25 years, they have applied aerospace manufacturing standards to their firearms products in order to deliver exceptional reliability, durability, and accuracy.

All of Aero Precision's products are thoroughly tested and inspected to meet strict military specifications. They hold certifications such as ISO 9001 for their quality management systems. Aero Precision prides itself on US-based manufacturing, helping to support domestic jobs. Whether designing AR-15 lower receivers, handguards, barrels or other parts, Aero Precision pays meticulous attention to detail to ensure optimal function and long lasting functionality.

Aero Precision's customers include military, law enforcement, and commercial gun owners. They understand the need for dependable tools in the line of duty or on the range. The company remains committed to producing innovative and affordable products that can stand up to the rigors of tactical and self-defense applications. Aero Precision's reputation for quality has made them one of the most popular brands for AR-style builds.

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