Home / Bolt Carrier Groups / Midwest Industries / Midwest Industries Enhanced AR-15 Bolt Carrier Group 5.56x45mm Nitride Black
Midwest Industries Enhanced AR-15 Bolt Carrier Group 5.56x45mm Nitride Black
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Aug 26, 2026
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.225/5.56 NATO AR15/M16 Full Auto BCG
8620 Billet Machined and Hardened Carrier
9310 Hardened Bolt, Shot Peened
Engineered to Reduce Carrier Tilt and Friction Inside Upper Receiver
Specifications
Description
The Midwest Industries Enhanced Bolt Carrier Group is engineered to reduce carrier tilt and friction inside upper receiver. Materials, tolerances, and coatings are used to meet or exceed milspec standards. Features9310 Hardened Bolt, Shot peened8620 Billet machined and hardened carrier4130 steel gas key -- Grade 8 hardware with proper staking methods
