308 BOLT CARRIER GROUP - NICKEL BORON
8620 Steel Carrier
Nickel Boron Coated Finish
Staked gas key
THE AR10 PLATFORM DOES NOT ENJOY A COMMON DESIGN BETWEEN MANUFACTURERS, LIKE THE AR15. AS A...
Nickel Boron M16 Bolt Carrier Group
Shot Peened Bolt
Gas Key Hardened to USGI Specifications
Gas Key Grade 8 Hardened Fasteners
Gas Key Staked Per Mil-Spec
Tool Steel Extractor
Extractor...