Maxim Defense PDX 505-SPS 5.56 NATO, 5.50 in, 20 + 1

About this product

The Maxim Defense MXM50803 PDX 505-SPS is a compact AR pistol built around Maxim’s SCW Pistol System for a streamlined rear profile and snag-free handling. It ships with a lightweight SCW Pistol System that reduces rear-end weight, and includes a rear single-point QD swivel mount positioned for use with a sling to aid supported accuracy. The pistol is chambered and marketed for 5.56x45mm NATO and is configured with a short 5.50″ barrel and a 20 + 1 capacity. Optic-ready sights and a black metal finish make it suitable for range use and other lawful short-barrel AR pistol applications.

Key Specifications

• The caliber is 5.56x45mm NATO.
• The barrel length is 5.50″.
• The magazine capacity is 20 + 1.
• The action is Semi-Auto.
• The overall length is 18.75″.
• The weight is 5.10 lbs.
• The grip material is Black Polymer.
• The stock material is Synthetic.
• The finish is Black Metal Finish.
• The sights are Optic Ready.

Designed for shooters who value compact handling and a minimal rear profile, the PDX 505-SPS pairs Maxim Defense’s lightweight SCW Pistol System with a short barrel and generous capacity to deliver a purposeful, easy-to-manage AR pistol package. Its streamlined design and QD sling mount make it practical for controlled, supported shooting at the range while the optic-ready layout lets you outfit the pistol to match your preferred sighting solution.

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