The Maxim Defense PDX-SD CQB (brand part no. MXM47847) is a .300 AAC Blackout integrally suppressed AR pistol finished in black, built on Maxim’s compact suppressed-pistol platform for close-quarters maneuverability. The system measures 5.50 inches and threads 5/8×24 for its integral suppression module. The PDX-SD favors shooters who want a compact, quiet-shooting .300 Blackout pistol platform.

Key Specifications

• Chambered in .300 AAC Blackout.
• Measures 5.50 inches.
• Threaded 5/8×24 for the integral suppression module.
• 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 does it fire? .300 AAC Blackout.

Buy the Maxim Defense PDX-SD CQB Suppressed AR Pistol, .300 Blackout, 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; ATF approval on most individual eForm 4 filings now comes back in days, and trusts take a little longer. Order through Maxim Defense Industries‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.