The Maxim Defense DSX-D (Maxim Defense part no. 48354) is a 5.56mm/.223 Rem suppressor recognized by Pew Science as its number-one rated suppressor, setting the standard for extreme-duty use cans. Maxim Defense builds the DSX-D with full-body construction for durability under heavy use. The DSX-D favors shooters who want a top-rated, extreme-duty suppressor for their 5.56 platform.

Key Specifications

• Rated for .223 REM/5.56 NATO ammunition.
• Built with full-body construction for extreme-duty use.
• Recognized by Pew Science as a top-rated suppressor.
• Mounts via direct thread, not a 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.

How is it rated for durability? It’s built with full-body construction for extreme-duty use.

How does it mount? It’s a direct-thread mount. It threads straight onto a compatible muzzle device, with no separate quick-detach hardware.

Buy the Maxim Defense DSX-D 5.56mm 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 Maxim Defense Industries‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.