Home / Suppressors / Yankee Hill Machine / Yankee Hill Machine Company Fat Cat 5.56 / .223 Rem CAT Endcap Included
Yankee Hill Machine Company Fat Cat 5.56 / .223 Rem CAT Endcap Included
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$739.95
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Updated
Aug 26, 2026
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5.56 NATO: 10 Minimum barrel length."
Caliber: 5.56mm
Decibel Rating: 139 dB
Diameter: 1.94";Construction: 17-4 Ph SS/Inconel 718 Blast Baffle"
Full Auto Rated
Includes Quick Detach Mount/Muzzle Brake
Length: 4.25/Adapter 4.50""
Mount: sRx 1/2 x 28 QD. HUB Adapter"
Specifications
Description
Yankee Hill Machine Fat Cat Features The Yankee Hill Machine Fat Cat is equipped with Sound Technologies baffles engineered to provide consistent and effective noise reduction. This internal design optimizes gas flow to enhance suppression while maintaining dependable operation across varied shooting conditions. The result is improved shooter comfort without excessive added length. A factory-supplied quick detachable attachment method allows fast and convenient mounting and removal. The included CAT endcap enhances overall performance and efficiency. Weighing just 12.5 ounces the suppressor preserves firearm balance while standard 1/2x28 threading ensures compatibility with many .223 Remington and 5.56 NATO platforms. Yankee Hill Machine Fat Cat Specifications Manufacturer: Yankee Hill Machine Company Family: Fat Cat Series Model: Fat Cat Type: NFA silencer Caliber Compatibility: .223 Remington 5.56 NATO Thread Pattern: 1/2x28 Attachment Method: Quick detachable Factory Supplied Attachment: Yes Finish: Matte black Overall Length: 4.25 inches Diameter: 1.94 inches Baffle Type: Sound Technologies Weight: 12.5 ounces Additional Info: CAT endcap included







