Maxim Defense MXM50840 PDX 505-SPS 7.62x39mm 5.50in

The Maxim Defense MXM50840 PDX 505-SPS is an AR-pattern pistol chambered in 7.62 x 39mm designed for compact handling and dependable operation. It replaces the SCW stock or brace with Maxim’s SCW Pistol System to create a streamlined, snag-free rear profile and includes a rear single-point QD swivel mount. At about 5.3 ounces, the SCW Pistol System reduces rear-end weight by over 10 ounces compared to the SCW Stock.

Key Specifications

• Chambered in 7.62 x 39mm for use with standard cartridges in that caliber.
• The barrel length is 5.50″ for a compact overall package.
• The magazine capacity is 20 + 1 rounds as listed by the manufacturer.
• The action is Semi-Auto for standard semi-automatic operation.
• The overall length measures 18.75″ for maneuverable handling in tight spaces.
• The listed weight is 5.10 lbs for the complete firearm as specified.
• The grip uses Urban Grey Polymer for a durable, textured interface.
• This model is described as Optic Ready to accept a variety of sighting solutions.
• The stock material is Synthetic consistent with the SCW Pistol System configuration.

Built for shooters who value a compact, controllable AR-style platform, the MXM50840 PDX 505-SPS blends reduced rear weight and a low-profile interface with a full-size magazine capacity. Its configuration supports accurate, repeatable performance on the range and easy handling in confined environments. If you want a streamlined AR-pistol that maintains utility without excess bulk, this model offers a purposeful balance of ergonomics and capability.