YHM Fat Cat 5.56 Suppressor w/sRx Mount, Cat End Cap

The YHM Fat Cat with sRx Mount and Cat End Cap (brand part no. YHM-2210-MB-28) is a compact 5.56mm suppressor measuring 4.5 inches long, built for quick-detach mounting via YHM’s sRx muzzle device system and finished with the brand’s distinctive Cat end cap. Yankee Hill Machine threads the sRx mount in a 1/2×28 pattern for compatibility with standard AR-platform muzzle threads. The Fat Cat favors shooters who want a compact QD can with the Cat end cap profile for a 5.56 rifle.

Key Specifications

• Rated for 5.56mm ammunition.
• Measures 4.5 inches long.
• Threaded 1/2×28 via the sRx mount.
• Uses a quick-detach (QD) mounting system with a distinctive Cat end cap.

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? Quick-detach via the sRx muzzle device system.

Buy the YHM Fat Cat 5.56 Suppressor w/sRx Mount

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 Yankee Hill Machine‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.