The IWI IWS6K is a 6mm-diameter, reduced back-pressure suppressor built for .223 Rem/5.56 NATO rifles, measuring 1.5 inches shorter than the standard IWS6. Built with weapon-grade nickel alloy and stainless steel, CNC laser-welded for strength, and rates it for short barrels and full-auto fire while keeping the rifle more compact. It favors AR-15 shooters who want a shorter, more compact version of the IWS6.

Key Specifications

• Rated for .223 Rem/5.56 NATO ammunition.
• Built with weapon-grade nickel alloy and stainless steel.
• Measures 1.5 inches shorter than the standard IWS6.
• Rated for short barrels and full-auto use.
• Mounts via IWI’s HUB+ quick-detach interface.

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? .223 Rem/5.56 NATO.

How does it mount? IWI’s HUB+ mounting system — a quick-detach interface with improved fitment and alignment over standard HUB mounts.

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