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

HB 5.56 Pro+ M16 Bolt Carrier Group Skeletonized, Nitrided

HB556BCGSKNITRIDE

Regular price $199.99 Save $-199.99
/

Only 32 items in stock!

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

The Low Mass HB Pro+ Skeletonized BCG reduces mass in the carrier while delivering full functionality.

Other 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 fully 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

*As this product continues in development images may not reflect the final product