Give your AR-15 a dependable, smooth-cycling core with the MIDWEST 5.56/.223 AR15 Black Nitride BCG. Designed for rifles chambered in 5.56 NATO or .223 Remington, this durable bolt carrier group combines precision-machined steel components with a low-maintenance black nitride finish for reliable operation through regular range use.
Built for compatibility with MIL-SPEC AR-15 upper receivers, this fully assembled bolt carrier group is ready to install in a new build or as an upgrade to a compatible rifle. Its 8620 steel carrier and 9310 steel bolt are MPI tested for added confidence. The corrosion-resistant nitride surface helps reduce friction and carbon buildup, supporting smoother cycling and making routine cleaning more manageable after use.
- Compatible with 5.56 NATO and .223 Remington AR-15 platforms
- Designed to fit MIL-SPEC AR-15 upper receivers
- Precision-machined 8620 steel carrier and 9310 steel bolt
- MPI-tested components for dependable performance
- Black nitride finish helps resist corrosion and wear
- Low-friction surface supports smooth cycling and easier maintenance
- Helps minimize carbon buildup for simpler cleaning
- Properly staked gas key for lasting reliability
- Fully assembled and drop-in ready for compatible builds
Choose the MIDWEST 5.56/.223 AR15 Black Nitride BCG for a robust, carefully made component that balances durability with easy upkeep. Confirm chambering and receiver compatibility before installation, and follow the rifle manufacturer’s instructions. Add this Midwest Industries bolt carrier group to your AR-15 setup for dependable function and a clean, professional fit.
