Fat Cat 5.56mm QD SRX Adapter Suppressor Std End Cap Black
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Suppressors go through a Class 3 (SOT) dealer. The federal tax is $0, and ATF stopped enforcing the Form 4 wait on October 9, 2026, but some states still require federal registration. You still pay the dealer's transfer fee.
Yankee Hill Machine
Overview
The Yankee Hill Machine Fat Cat 5.56mm QD SRX Adapter Suppressor Std End Cap Black is a suppressor. Compare prices from multiple merchants and find the best deal.
Specifications
Fat Cat 5.56mm QD SRX Adapter Suppressor Std End Cap Black
Available Merchants(1)
Prices checked
Price Alert
September 2026 on GunPartPicker
Yankee Hill Machine Fat Cat 5.56mm QD SRX Adapter Suppressor Std End Cap Black ranked #76 of the 163 suppressors builders added on GunPartPicker in September 2026. Builders on GunPartPicker first added it to a build in May 2026.
Today the one retailer we track has it in stock. Buying today, the lowest price is $619 at Brownells.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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