Maxim Defense MXM50803 PDX 505-SPS .223 REM/5.56 NATO

The Maxim Defense MXM50803 PDX 505-SPS is a compact AR-style pistol built for controlled range work and personal defensive applications. Its short-barrel configuration and streamlined SCW Pistol System make it well-suited for close-quarters handling while maintaining the familiar ergonomics of modern sporting rifles.

The PDX 505-SPS pairs a 5.50-inch barrel with a black metal finish and synthetic components for a durable, low-profile package. Maxim's SCW Pistol System replaces a traditional stock or brace to provide a smooth, snag-free rear profile and includes a rear single-point QD swivel for sling attachment. The pistol is optic ready and uses a black polymer grip for consistent hand placement.

Key Specifications

• The action is Semi-Auto.
• The barrel length is 5.50 inches.
• The caliber is .223 REM/5.56 NATO.
• The sights are Optic Ready.
• The capacity is 20 + 1.
• The grip material is Black Polymer.
• The overall length is 18.75 inches.
• The stock material is Synthetic.
• The weight is 5.10 lbs.
• The PDX 505-SPS features Maxim's SCW Pistol System for a streamlined rear profile and a rear single-point QD swivel mount.

Buy the Maxim Defense Industries MXM50803 PDX 505-SPS .223 REM/5.56 NATO pistol online today for a compact, mechanically familiar platform that emphasizes low-profile ergonomics and optic-ready performance.