The Sig Sauer SLH (brand part no. NG762CQDCOY) is a 7.62mm suppressor from Sig Sauer’s SLX and SLH series, developed to meet the demands of the U.S. military and deliver cutting-edge suppression performance. Sig Sauer builds the SLH from black Inconel for high heat resistance and durability. The SLH favors 7.62-platform shooters who want a military-grade suppressor built for sustained, demanding use.

Key Specifications

• Rated for 7.62mm for centerfire rifle sound suppression.
• Measures 1.67 inches long for a compact footprint.
• Built from Inconel for high heat resistance and durability.
• Finished in black.
• Developed to meet U.S. military performance demands.
• Mounts via SIG’s Clutch-Lok quick-detach system.

Frequently Asked Questions

Is this an NFA item? Yes. As a suppressor, it’s a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What is it made of? Inconel.

How does it mount? A Clutch-Lok quick-detach mount. No tools needed to attach or remove once a Clutch-Lok flash hider or muzzle brake is installed.

Buy the Sig Sauer SLH Suppressor

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer; ATF approval on most individual eForm 4 filings now comes back in days, and trusts take a little longer. Order through Sig Sauer‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.