Add to Wish list Add to Cart Quick view AR-15 Bolt Carrier Group $69.99 These are high grade Bolt Carrier Groups Made in USA. Specifications and Features Nitride Finished by H&M Inc 9310 Steel, MPI (Magnetic Particle Inspected) Bolt, Ground per True Mil Spec Specs 8620 Carrier (M16 full shroud) Heat Treated, Case... Add to Cart Add to Wish list