The Sig Sauer SLX Clutch-LOK QD Suppressor, 5.56mm, Black (brand part no. SLX556C-QD) is a 5.56mm suppressor machined from Inconel, using a quick-detach (QD) mount. Sig Sauer builds it for hearing-safe, reliable performance.

Key Specifications

• Rated for 5.56mm ammunition for focused sound suppression.
• Mounts via quick-detach (QD) attachment for a secure connection to the host firearm.
• Machined from Inconel for durability under sustained use.
• Finished in Black.
• Weighs approximately 1.8 lb shipping weight.

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 caliber is it rated for? 5.56mm.

What mounting system does it use? A quick-detach (QD) attachment.

Buy the Sig Sauer SLX Clutch-LOK QD Suppressor, 5.56mm, Black

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, with an extended federal approval wait before delivery. Order through Sig Sauer‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.