NBS M16 Style AR-15 Bolt Carrier Group FDE PVD 223/5.56

NBS' M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. The "Armor Guard" PVD coating on these BCGs provides a very low coefficient of friction while providing a unique look and increased reliability. Properly built, no corners cut. 8620 M16 Style Carrier Armor Guard Coating (PVD) Heat Treated Final Grind Before Plating 9310 5.56/.223 Bolt Heat Treated Shot Peened Blacknitride+(TM) by H&M MPI 4130 Billet Gas Key Armor Guard Coating Properly Seated with Grade 8 Fasteners Properly Staked 4140 Cam Pin Blacknitride+(TM) by H&M Billet Extractor Heat Treated Shot Peened Phosphate Coated Extractor insert included O-Ring Included Heat Treated & Ground 8640 Hard Chrome Plated Firing Pin 100% American Made