The Alleycat 556 Inconel 718 Suppressor, QD, Black (brand part no. AC556QD718) is a .223 REM/5.56 NATO suppressor machined from Inconel 718, using a quick-detach (QD) mount. Alleycat builds it for hearing-safe, reliable performance.

Key Specifications

• Rated for .223 REM/5.56 NATO ammunition for focused sound suppression.
• Mounts via quick-detach (QD) attachment for a secure connection to the host firearm.
• Machined from Inconel 718 for durability under sustained use.
• Finished in Black.

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.

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

Buy the Alleycat 556 Inconel 718 Suppressor, QD, 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 Alleycat‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.