The Griffin Armament Dual-Lok 5 (brand part no. GADL556-W) is a .22/5.56-rated suppressor built from 17-4 PH stainless steel and finished in black. Griffin Armament attaches the Dual-Lok 5 via its Dual-Lok locking mount system, an accurate, robust, reliable, and wear-free design often requested by government customers, offering robust muzzle device support. The Dual-Lok 5 favors 5.56 shooters who want a wear-free, government-proven mounting system.

Key Specifications

• Rated for .22 caliber/5.56mm ammunition.
• Built from 17-4 PH stainless steel.
• Attaches via the Dual-Lok locking mount system.
• Finished in black.
• Uses Griffin’s ECO-FLOW baffle design for improved sound and flash reduction.
• Rated for 5.56mm/.22-caliber rifle cartridges.

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? .22/5.56.

How does it mount? It mounts via Griffin’s Dual-Lok system. No tools are needed to attach or remove it once your muzzle device is installed.

Buy the Griffin Armament Dual-Lok 5 Suppressor

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4 and transfer through a licensed NFA (SOT/Class 3) dealer, with no federal transfer tax and 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.