Maxim Defense PDX SBR, 7.62x39mm, 5.5-Inch, FDE

The Maxim Defense PDX (brand part no. MXM-47804) is a 7.62x39mm short barrel rifle with a 5.5-inch barrel, born from the SOCOM PDW solicitation and designed to handle the demands of Tier 1 operators. Maxim Defense builds the PDX at just 18.75 inches overall for close-quarters dominance and maximum energy on target. The PDX favors shooters who want the most compact possible 7.62x39mm platform.

Key Specifications

• Chambered in 7.62x39mm.
• Wears a 5.5-inch barrel, meeting the SBR definition.
• Feeds from a 20-round magazine.
• Finished in Flat Dark Earth.
• Measures approximately 18.75 inches overall.
• Operates as a semi-automatic rifle.

Frequently Asked Questions

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

What is the overall length? Approximately 18.75 inches.

What is the magazine capacity? 20 rounds.

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.