![Aero Precision AR-15 5.56 NATO Bolt Carrier Group - Black - 815421021219 Aero Precision AR-15 5.56 NATO Bolt Carrier Group - Black - 815421021219](https://cdn11.bigcommerce.com/s-0xmhwue6/images/stencil/300x300/products/23665/52215/Aero-Precision-AR-15-5-56-NATO-Bolt-Carrier-Group-Black-815421021219_image1__41219.1673030231.jpg?c=2)
This bolt carrier is a valuable addition to your AR15 build. It features a Mil-Spec phosphate coating, properly staked gas key with a chrome lined gas key and firing pin channel, a black o-ring insert on the extractor, and is made of steel.
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