The Griffin Armament Checkmate HD22 (brand part no. GACMHD22W) is a 5.7×28-rated rimfire suppressor built around ECO-FLOW baffle technology and Griffin Armament’s CARBON-GARD technology, weighing just 5.8 ounces with a 5.04-inch overall length. Griffin Armament machines the tube from 7075-T6 billet aluminum, hardcoat anodized for strength, with a 17-4 heat-treated baffle system, a front cap, and an integrated EZ-LOK quick-detach mounting system. The Checkmate HD22 favors rimfire and pistol-caliber shooters who want a lightweight, quick-detach suppressor.

Key Specifications

• Rated for 5.7x28mm pistol-caliber rimfire cartridges.
• Weighs just 5.8 ounces.
• Measures 5.04 inches overall.
• Built with ECO-FLOW baffle technology and CARBON-GARD technology.
• Features a 17-4 heat-treated baffle system.
• Machined from 7075-T6 billet aluminum, hardcoat anodized.
• Mounts via an integrated EZ-LOK quick-detach system.
• 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? 5.7x28mm.

How does it mount? An integrated EZ-LOK quick-detach system.

Buy the Griffin Armament Checkmate HD22 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.