RADICAL FIREARMS RF 223/5.56/300AAC/22Nosler M16 Carrier Nickle Boron Bolt Carrier Group (556NIB-BCG)

Magnetic particle inspectedDurable and slick Melonite finishProperly staked gas keyCompatible with 5.56 and .300 BlackoutM16 cut The Radical Firearms 5.56 NATO / 300 BLK Gen 2 Bolt Carrier

.223 Remington/5.56mm NATOComplete Bolt Carrier GroupBlack Nitride SPEC SeriesEngraved Biohazard SymbolBlack Nitride Finish The BLACK AR-15/M16 Rain Ordnance Bolt Carrier Group, Nib-X Bioh

For Left Side Ejecting UppersNickel Boron Coated223/556Bolt and Carrier Group Black Rain Ordnance, Inc. is a precision firearms manufacturer specializing in modern sporting rifle designs and high...

Forward porting, enlarged ventsBalanced flared boss8620 Carrier, Heat Treated, Hard Turned, Chrome LinedMPI Carpenter 158 Bolt, Shot Peened, Hard Turned / GroundNiB UCT EXO CoatingCP-R360 Domed Cam...

Fits AR-15Complete NIB BCGMade in the USA The LBE Nickel Boron Complete BCG includes the firing pin, retaining pin, cam pin, extractor and bolt gas rings. Made in the USA.