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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.
CGS
Overview
The CGS Suppressors Rear Cap for the Nautilus is designed specifically for 9mm applications, providing a reliable and secure seal for your suppressor setup. Finished in a sleek black color, this rear cap not only enhances the aesthetic of your build but also ensures optimal performance by maintaining pressure and reducing gas blowback. It is commonly found in builds that prioritize a compact and quiet shooting experience.
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