SilencerCo Scythe STM 5.56 NATO Stainless Steel Suppressor, 5/8x24 Direct Thread Mount - SU5421
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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.
SilencerCo
Overview
The SilencerCo Scythe STM 5.56 NATO Stainless Steel Suppressor, 5/8x24 Direct Thread Mount - SU5421 is a suppressor. Compare prices from multiple merchants and find the best deal.
Specifications
SilencerCo Scythe STM 5.56 NATO Stainless Steel Suppressor, 5/8x24 Direct Thread Mount - SU5421
Available Merchants(6)
Prices checked
Stock Alert
Price and stock
The SilencerCo Scythe STM 5.56 NATO Stainless Steel Suppressor, 5/8x24 Direct Thread Mount - SU5421 was in stock most days in September 2026, but today none of the 6 retailers we track has it in stock right now. Prices barely moved in September 2026, holding around $798.15, so there haven't been real sales lately. Listed prices start at $798.15 at Primary Arms for when it comes back.
Prices checked · refreshed daily across 37 retailers
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