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Plan your Class 3 dealer
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.
SureFire
Overview
The Surefire Trilug9 Suppressor Adapter is designed for 9mm firearms, allowing for quick and secure attachment of suppressors using a Tri-Lug mount system. This adapter enhances versatility by providing a reliable interface for suppressor installation, ensuring consistent alignment and performance during use. Builders often incorporate this adapter in setups where compactness and rapid suppressor deployment are critical, such as in submachine gun configurations or short-barreled rifles.
Specifications
Available Merchants(1)
Prices checked
Stock Alert
Price and stock
The Surefire TRILUG9 Suppressor Adapter - 1/2x36 was out of stock everywhere we track for all of September 2026, and today the one retailer we track is out of stock. Listed prices start at $69.99 at Primary Arms for when it comes back.
Prices checked · refreshed daily across 37 retailers
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