The Griffin Armament M4SD-L (brand part no. GAM4SDLW) is a 5.56mm tubeless suppressor built from generations of R&D at Griffin Armament to keep the company at the forefront of sound suppression technology. The M4SD-L favors 5.56-platform shooters who want a proven, tubeless can from an established manufacturer.

Key Specifications

• Rated for 5.56mm ammunition.
• Built with a tubeless design.
• Finished in black.
• Mounts via Griffin’s Gate-LOK quick-attach system.

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? 5.56mm.

How does it mount? Griffin’s Gate-LOK quick-attach mount, compatible with USGI A2 compensators and Griffin’s Gate-LOK muzzle devices. No tools needed to attach or remove.

Buy the Griffin Armament M4SD-L 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.