The Griffin Armament Checkmate-HD 22 (brand part no. CM-HDDTRM) is a rimfire suppressor built for direct-thread mounting in a 1/2×28 pattern. Griffin Armament designed the Checkmate-HD 22 as part of its heavy-duty Checkmate lineup, giving rimfire shooters a durable direct-thread option. The Checkmate-HD 22 favors shooters who want a straightforward, direct-thread suppressor for their .22-class rimfire platform.

Key Specifications

• Threaded 1/2×28 for direct-thread attachment to compatible muzzle devices.
• Part of Griffin Armament’s Checkmate-HD heavy-duty lineup.

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.

How does it mount? Via direct thread, in a 1/2×28 pattern.

Buy the Griffin Armament Checkmate-HD 22 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.