NBS AR-10 / 308 / 6.5 Creedmoor Bolt Carrier Group – Phosphate + Chrome-Lined – Blem/Used

This Phosphate .308 Complete BCG is compatible with any AR10, .308 or 7.62×51 rifle that follows the DPMS pattern. The bolt is (MPI) certified.

* Please note that these BCG’s have been test fired and show minimal signs on use. Otherwise, are in good working order. 

Bolt:

• MPI Inspected
• 9310 Alloy Steel
• Hardened Steel Extractor
• Milspec Gas rings (3)
• Black Extractor Insert
• Shot-Peened, MPI bolt

• 8620 steel
• Heavy Duty Full Cut Design
• Grade 8 Gas Key Screws, Staked
• Gas Key Material – 4140
• Chrome-lined Carrier and Gas Key

• 8620 Steel

• Mil-Spec Firing Pin