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NiB-X: AR-15 5.56 NICKEL BORON BOLT CARRIER GROUPS NIBXBCG-0003 – NiB-X NIBXBCG-0003 AR-15 5.56 NATO Nickel Boron Coated Full Auto Bolt Carrier Group M16 Profile Enhanced Reliability Reduced Friction Self-Lubricating Corrosion Resistant Easy Clean Mil-Spec Dimensions HP/MPI Tested Extractor Included Cam Pin Firing Pin Gas Key Staked Premium BCG UPC 855899003027 featuring nib-x nickel boron bcg. Supreme nib-x nibxbcg-0003 – NiB-X premium ar-15 5.56 nickel boron bcg supreme reliable legendary slick shooter.
NiB-X Bolt Carrier Group field tested trusted versatile premium reliable supreme NIBXBCG-0003.