This Aero Precision AR15 bolt carrier group is built for 5.56 NATO and .223 Remington platforms, featuring a nickel boron finish for enhanced lubricity, corrosion resistance, and smooth cycling performance. Engineered to Aero Precisions quality standards, it delivers consistent lockup and reliable operation across a wide range of AR-15 builds and configurations. The nickel boron coating reduces friction for easier cleaning and improved long-term durability under repeated use. Ideal for new rifle builds or performance upgrades, this BCG is well-suited for general-purpose, duty-style, and range-focused AR-platform rifles where dependable function and refined operating characteristics are desired.

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