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Yankee Hill Machine

Yankee Hill Machine Fat Cat Suppressor 5.56 NATO 1/2x28 sRx Mount with Cat Endcap

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SKU: YHM-2210-MB-28
Model: FAT CAT
UPC: 841812101789

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  • Product Details

Yankee Hill Machine Co, Fat Cat, Suppressor, 556NATO, 1/2"-28 sRx Mount with Cat Endcap, Steel, Black

  • Caliber: 5.56mm
  • Weight: 11.2 oz./Adapter 13.2 oz
  • Length: 4.25"/Adapter 4.50"
  • Diameter: 1.94"
  • Construction: 17-4 Ph SS/Inconel 718 Blast Baffle
  • Mount: sRx 1/2" x 28 QD. HUB Adapter
  • Decibel Rating: 139 dB
  • 5.56 NATO: 10" Minimum barrel length.

This 5.56 NATO suppressor sports new baffle geometry resulting in reduced blowback. Built with the same care, quality, and attention to detail that has defined the YHM brand for generations, the Fat Cat was created to provide a compact suppressor with great sound. The Fat Cat is made from 17-4 stainless steel along with a heat-treated blast baffle. The combination of these materials allows the suppressor to be -rated and designed for rigorous use. The overall length measures just 4.5" with the sRx adapter installed. That's a full inch shorter than their Turbo K model with its included adapter. The Fat Cat's larger 1.94" diameter creates more internal volume resulting in a lower, more pleasant tone. With an average sound pressure level of 139dB at the muzzle, the Fat Cat is quite the performer for its size. The Fat Cat includes the sRx 1/2" x 28 QD Adapter, Mini sRx Muzzle Brake, (1) YHM-2007 and (1) YHM-2146.

Specifications

ManufacturerYankee Hill Machine
ModelFAT CAT
UPC841812101789
SKUYHM-2210-MB-28
Width3.5000
Length12.0000
Height2.5000
Weight1.0000
Product Rebate Important: Every suppressor requires a tax stamp. This can be obtained on SilencerShop.com.

New for 2026: Tax stamps are now $0
  • Questions & Answers

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08/10/2025 by Michael R

This can be held until Jan. 1 2026? I assume it will fit any 556 such as M&P Sport I and no additional parts needed?

08/11/2025 by Range USA Staff

Every suppressor requires the purchase of a tax stamp, which can be done on SilencerShop.com.
The Tax stamp is $200, but will be reduced to $0 January 1, 2026. Buy now and we will hold it for you until the price reduction goes into effect.

Yes, the Yankee Hill Machine Fat Cat Suppressor with a 1/2x28 mount will fit most .556 rifles that have a 1/2x28 threaded barrel, including the M&P Sport I.

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