NBS .223/5.56 Bolt Carrier Group - Blue PVD

The NBS M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. The PVD coating by Ionbond provides a very hard surface that makes for easier cleaning and increases reliability. Properly built, no corners cut. 8620 M16 Style Carrier PVD Coating by Ionbond Heat Treated Final Grind Before Plating 9310 5.56/.223 Bolt Heat Treated Shot Peened Blacknitride+(TM) by H&M MPI 4140 Billet Gas Key PVD Coating by Ionbond Properly Seated with Grade 8 Fasteners Properly Staked 4140 Cam Pin Blacknitride+(TM) by H&M S7 Tool Steel Extractor Heat Treated Shot Peened Phosphate Coated Extractor insert Included O-RingIncluded 17-4 H-900 Stainless Steel or Hard Chrome Firing Pin 100% American MadeBacked by the NBS lifetime warranty!*Please note that some color variation can exist between batches.