$8.99 Flat Rate Shipping On All Orders

MI Enhanced Black Nitride Bolt Carrier Group

No reviews yet Write a Review
  • Over 95% US-Made Products

  • Easy Exchanges

  • Safe Payments


  • .225/5.56 NATO AR15/M16 Full Auto BCG
  • 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
  • Weight 11.4oz
  • Black Nitride Finish


Limited Lifetime Midwest Industries Warranty