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Product Discontinued by Manufacturer
Hughes Ballistics 5.56 HB Pro/M16 Bolt Carrier Group (BCG), Nitrided has been discontinued by Hughes Ballistics and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Parts, Bolt Carrier Groups yourself to try and find the perfect replacement for you!
Product Info for Hughes Ballistics 5.56 HB Pro/M16 Bolt Carrier Group (BCG), Nitrided
Beyond "MIL-SPEC" Hughes Ballistics Pro+ delivers the best options available for our customers. Weighing in at 11 ozs this BCG delivers.![]()
Major improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, increase lubricity, and provide superior corrosion resistance compared to typical chrome and phosphate Bolt Carrier Group BCG. All bolts are MPI tested to ensure the material is without defects.
Features of Hughes Ballistics 5.56 HB Pro/M16 Bolt Carrier Group BCG, Nitrided:
- 9310 Steel Bolt, 8620 Steel Carrier
- Magnetic Particle Inspection (MPI)
- Back of Lugs Chamfered for Reliability
- QPQ Nitrided Bolt Carrier for case hardening lubricity
- Full Auto Compatible
- Forward Assist Serrations
Package Contents:
- Hughes Ballistics 5.56 HB Pro/M16 Bolt Carrier Group, Nitrided
Ammunition








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Hughes Ballistics 5.56 HB Pro/M16 Bolt Carrier Group (BCG), Nitrided Unavailable & Discontinued Models
List of Unorderable Models
- Hughes Ballistics 5.56 HB Pro/M16 Bolt Carrier Group BCG, Black Nitride, HB556BCGNITRIDE , MPN: HB556BCGNITRIDE , UPC: 860008315953 , Code: 4ZE-BCG-BRBL3-HB556BCGNITRIDE




























































































































































































