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; ATF approval on most individual eForm 4 filings now comes back in days, and trusts take a little longer. Order through Griffin Armament‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.