36 Piece Case of 308 Nitride Bolt Carrier Groups (BCG)

36 Piece Case of 308 Nitride Bolt Carrier Groups (BCG)

• 308 Caliber
• Salt bath nitride finish
• M16 cut
• 9310 steel carrier
• Carpenter 158 steel bolt
• 4140 steel extractor
• MIL-SPEC O-ring
• MIL-SPEC gas rings
• 4140 steel cam pin
• 8740 steel firing pin with hard chrome finish
• Magnetic particle inspected
• Proudly made in the U.S.A.

Will work with 243, 6.5 Creedmoor, 45 Raptor, and other “standard 308 calibers”
Comes as a 36 piece case!