If you’re looking for a quality bolt carrier group for your AR-15 that won’t let you down, Aero Precision has you covered. Their M16 / AR-15 Bolt Carrier Group is machined from high quality materials and subjected to stringent quality assurance measures, like high pressure testing and magnetic particle inspection. The bolt assembly is made from tough 9310 steel, and the carrier assembly is machined from 8620 steel. The entire BCG has a black Nitride finish for increased hardness and a smooth surface that’s easy to clean. When it comes to building a reliable duty rifle, the Aero Precision M16 / AR-15 Bolt Carrier Group should be at the top of your list.
This carrier group has been designed to improve reliability in your rifle, with features like chrome lined internals and a staked gas key. The bolt face has also been shot peened to improve durability, meaning this carrier group will last you for many years to come.