- Large two chamber design reduces muzzle climb
- Constructed from tool steel with a phosphate finish
- 1/2-28 threads for 5.56/.223 rifles
- Includes a crush washer
- 100% made in USA
The MIDWEST INDUSTRIES AR-15 5.56/.223 Two Chamber Muzzle Brake (MI-MB4) is a high quality upgrade to your AR platform rifle. Large two chamber design reduces muzzle climb. This muzzle brake is constructed from tool steel with a phosphate finish. Comes with a crush washer.
