YHM Fat Cat 5.56mm QD Suppressor w/Cat End Cap

The YHM Fat Cat with Cat End Cap (brand part no. YHM-2210-MB-28) is a 5.56 NATO quick-detach suppressor built with new baffle geometry to reduce blowback compared to earlier YHM designs. Yankee Hill Machine constructs the Fat Cat from 17-4 stainless steel with a Cobalt 6 black finish, pairing it with a Mini sRx muzzle brake and the brand’s Cat end cap for a distinct profile. The Fat Cat favors AR-platform shooters who want a compact QD suppressor with reduced blowback.

Key Specifications

• Rated for 5.56 NATO/.223 Remington ammunition.
• Uses a quick-detach (QD) mounting system via the included Mini sRx muzzle brake.
• Built from 17-4 stainless steel with a Cobalt 6 black finish.
• Features a distinctive Cat end cap and new baffle geometry for reduced blowback.
• Weighs approximately 11.2 ounces with a 1.94-inch diameter for a lower, more pleasant tone.

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? 5.56 NATO.

How does it mount? Quick-detach via the included Mini sRx muzzle brake.

Buy the YHM Fat Cat 5.56mm QD Suppressor w/Cat End Cap

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.