Aero Precision AR-15 6.5 Grendel Bolt Carrier Group

The Aero Precision® AR-15 6.5 Grendel Bolt Carrier Group features a properly staked and shot peened gas key helps ensure your rifle cycles properly while forward assist serrations help ensure intuitive use with your rifle’s forward assist. This bolt carrier group (BCG) is HPT tested and MPI marked to ensure unmatched reliability and quality out of the box so you can ensure your next rifle build is a success. This BCG features a carrier machined from 8620 tool steel and a 9310 steel bolt for superior strength and long-lasting durability. What’s more, a corrosion-resistant black nitride finish also acts as a friction coating and reduces the need for lubricants and cleaning. Made in USA.