No personal experience but it looks great. http://www.schuylerarmsco.com/product.schuyler-arms-nickerl-boron-bolt-carrier-group-23-993
Says: "These bolt carrier groups are made right here in the United States.
Specs:
9310 Bolt Material;
8620 carrier and gas key;
Properly staked Gas Key
Shot peened MPI (Magnetic Particle Inspected) Bolt."
$88
Says: "These bolt carrier groups are made right here in the United States.
Specs:
9310 Bolt Material;
8620 carrier and gas key;
Properly staked Gas Key
Shot peened MPI (Magnetic Particle Inspected) Bolt."
$88