HB 5.56 Pro+ M16 Bolt Carrier Group, Nitrided
HB 5.56 Pro+ M16 Bolt Carrier Group, Nitrided
HB 5.56 Pro+ M16 Bolt Carrier Group, Nitrided
HB 5.56 Pro+ M16 Bolt Carrier Group, Nitrided
HB 5.56 Pro+ M16 Bolt Carrier Group, Nitrided
HB 5.56 Pro+ M16 Bolt Carrier Group, Nitrided

HB 5.56 Pro+ M16 Bolt Carrier Group, Nitrided

HB556BCGNITRIDE

Regular price $149.99 Save $-149.99
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Only 27 items in stock!

Beyond "MIL-SPEC" Hughes Ballistics Pro+ delivers the best options available for our customers. 

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 groups. All bolts are MPI tested to ensure the material is without defects. 

  • 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