The Griffin Armament Dual-Lok PSR Suppressor, 5.56mm, Black (brand part no. GADLPSR556-W) is a .223 REM/5.56 NATO suppressor, threaded 1/2×28. GRIFFIN ARMAMENT builds it for hearing-safe, reliable performance.

Key Specifications

• Rated for .223 REM/5.56 NATO ammunition for focused sound suppression.
• Threaded 1/2×28 for attachment to compatible muzzle devices.
• Finished in Black.

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.

What mounting system does it use? Threaded 1/2×28, requiring a compatible muzzle device.

Buy the Griffin Armament Dual-Lok PSR 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 GRIFFIN ARMAMENT‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.