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Midwest Industries MI-BCG-556EH Enhanced Black Nitride Bolt Carrier Group

Original price was: $134.36.Current price is: $72.35.

SKU: MWI-MI-BCG-556EH Category:

Description

.225/5.56 NATO AR15/M16 Full Auto BCG. Black Nitride Finish.

Features:

  • Engineered to reduce carrier tilt and friction inside upper receiver
  • Materials, tolerances, and coatings are used to meet or exceed milspec standards
  • 9310 Hardened Bolt, Shot peened
  • 8620 Billet machined and hardened carrier
  • 4130 steel gas key — Grade 8 hardware with proper staking methods