PSA AR-15/5.56 Nickel Boron Bolt Carrier Group - 7791928
|Brand||Palmetto State Armory|
Weight: 11.65 oz
Finish: Nickel Boron
Bolt Steel: 9310 Steel
This 5.56mm Bolt Carrier Group is Nickel Boron coated and features a 9310 shot peened bolt. The bolt is magnetic partical inspected but is not marked. The gas key is hardened and secured with Grade 8 fasteners, and is staked per Mil-Spec.