The Bushmaster Muta II Suppressor, 5.56mm, Black (brand part no. SMU200155600BLKFB) is a .223 REM/5.56 NATO suppressor, threaded 1/2×28. Bushmaster builds it for hearing-safe, reliable performance.

Key Specifications

• Rated for .223 REM/5.56 NATO ammunition for focused sound suppression.
• Direct-thread 1/2×28 mount for attachment to compatible muzzle devices.
• Finished in Black.
• Weighs approximately 1 lb shipping weight.

Frequently Asked Questions

Is this an NFA item? Yes. As a suppressor, it's a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What caliber is it rated for? .223 REM/5.56 NATO.

How does it mount? A 1/2×28 threaded direct-mount system, not a quick-detach mount.

Buy the Bushmaster Muta II Suppressor, 5.56mm, Black

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer; ATF approval on most individual eForm 4 filings now comes back in days, and trusts take a little longer. Order through Bushmaster‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.