Midwest Industries is known for manufacturing high-quality, high-value parts, and this BCG is no exception. The bolt is MPI inspected to ensure long-term dependable operation, and it's backed by a lifetime MI warranty. A great choice for any AR-15 build.
- Bolt made of Carpenter #158 Steel
- Shot Peened Bolt
- Bolt Carrier made of 8620 steel
- Magnetic Particle Inspected and marked "MPI"
- Chrome line gas key, properly staked
- Black Extractor insert
- Shrouded firing pin
- Mil-Spec O-Ring
- Made in the USA
- MI Lifetime warranty
- Hard Chrome lined carrier with Phosphate Finish
- Matte Black