The Griffin Armament Dual-Lok 556 (brand part no. GADL556AM-W) is a .223 REM/5.56 NATO suppressor built as part of Griffin Armament’s modular suppressor lineup, finished in black. The Dual-Lok 556 favors .223 REM/5.56 NATO-platform shooters who want a Griffin Armament can.

Key Specifications

• Rated for .223 REM/5.56 NATO ammunition.
• Finished in Black.
• Built as the Dual-Lok 556 model.
• Mounts via Griffin’s Dual-Lok quick-detach interface.

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? Griffin Armament’s Dual-Lok mount — a spring-loaded quick-detach system with a tapered acme thread that seals gas and forces perfect alignment, no tools needed.

Buy the Griffin Armament Dual-Lok 556 Suppressor

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, with an extended federal approval wait before delivery. Order through GRIFFIN ARMAMENT‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.