Midwest Industries MIAR30MB1 .30 Cal Muzzle Brake 5/8-24

The Midwest Industries MIAR30MB1 is a three-chamber muzzle brake engineered for .30 caliber AR-platform rifles. Constructed from tool steel with a black phosphate finish, it mounts using a 5/8-24 tpi thread pattern and ships with a crush washer. The design focuses on reducing muzzle rise to aid faster follow-up shots while retaining durable service life under typical field and range use.

Key Specifications

• The thread pattern is 5/8-24 tpi, compatible with .30-caliber AR-platform barrels using that thread standard.
• The intended caliber is .30 Caliber (also referenced for .300 AAC applications in manufacturer materials).
• The construction material is tool steel for strength and durability.
• The finish is a black phosphate coating for corrosion resistance and a subdued appearance.
• The muzzle device uses a three-chamber design to reduce muzzle rise.
• The package includes a crush washer for installation.
• Compatibility is listed for .30 cal / .300 AAC AR-platform rifles using 5/8-24 threads.
• Reported product dimensions are 1.35 x 4.20 x 5.55 (as provided in manufacturer data).
• Country of origin is Made in the U.S.A.

Precision manufacturing and robust materials make the MIAR30MB1 a practical choice for shooters who want consistent muzzle control on .30-caliber AR-platform rifles. Its straightforward installation and durable finish provide reliable service for range use, competition staging, or work in the field, giving a dependable option for those prioritizing accuracy of follow-up shots and long-term durability.