Maxim Defense PDX SBR, 5.56, 5.5-Inch, 20RD, Black

The Maxim Defense PDX SBR (brand part no. MXM-47807) is was born from the SOCOM PDW solicitation and designed to handle the demands of the Tier 1 community in close-quarters encounters. Maxim Defense Industries builds the PDX around a 5.5-inch barrel and the patent-pending Maxim SCW stock system, which cuts the stock down to just 4 inches, finished in black.

Key Specifications

• Chambered in .223 REM/5.56 NATO.
• Wears a 5.5-inch barrel.
• Feeds from a 20-round magazine.
• Uses the Maxim SCW stock system for a compact 4-inch stock.
• Finished in black.

Frequently Asked Questions

Is this an NFA item? Yes. As a short-barrel rifle, it’s a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

How long is the barrel? 5.5 inches.

What magazine capacity does it feed from? A 20-round magazine.

Buy the Maxim Defense PDX SBR

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 short barrel rifles lineup and our Lubbock, Texas team will walk you through the transfer process.