YHM Fat Cat 5.56 Suppressor with SRX Mount and Cat Endcap

The Yankee Hill Machine YHM Fat Cat is a compact suppressor chambered for 5.56. This configuration is identified with an SRX mount and Cat endcap. Its stainless-steel construction, reduced-blowback baffle geometry, and full-auto rating support rigorous range use.

Key Specifications

• The suppressor is chambered for 5.56.
• The listed primary material is stainless steel, with the source also identifying an Inconel blast baffle.
• The diameter measures 1.94 inches.
• The listed finish is black nitride.
• The listed thread pattern is 1/2×28.
• The mount is identified as an sRx adapter with a 1-3/8-24 HUB interface.
• The suppressor is full-auto rated.
• The listed average muzzle sound pressure level is 141 dB.
• The source identifies a minimum barrel length of 10 inches for 5.56 NATO.

The Fat Cat offers a compact suppressor format with a larger internal diameter, purpose-built baffle geometry, and a configuration designed around the SRX mounting system. Its documented construction and service-oriented design make it a practical option for shooters evaluating compact 5.56 suppression equipment.

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