Maxim Defense MXM50801 PDX 505-SPS | 7.62×39 | 5.50″

The Maxim Defense PDX 505-SPS is a compact AR-style pistol chambered in 7.62 x 39mm with a 5.50" barrel and a 20 + 1 capacity. It uses Maxim’s SCW Pistol System for a streamlined rear profile and includes a rear single-point QD swivel mount for sling attachment. The pistol is optic-ready and pairs well with a rugged red-dot such as the Trijicon MRO, which sits comfortably under $1,000 and complements the platform for quick target acquisition. Appropriate uses include range training and recreational target shooting.

Product Specifications

• The manufacturer is Maxim Defense Industries.
• The model is PDX 505-SPS.
• The manufacturer’s part number is MXM50801.
• The caliber is 7.62 x 39mm.
• The action is Semi-Auto.
• The barrel measures 5.50".
• The overall length is 18.75".
• The capacity is 20 + 1.
• The weight is 5.10 lbs.
• The grip material is Black Polymer.
• The stock material is Synthetic.
• The firearm is listed as Optic Ready for sights.
• The barrel length range listed is 5" to 5.99".
• The weight range listed is 5 lbs to 5.99 lbs.
• The UPC is 680017508012.

Compact, purposeful, and built around Maxim Defense’s SCW Pistol System, the PDX 505-SPS delivers a low-profile shooting platform suited to users who want a maneuverable AR-style pistol in 7.62×39. Its optic-ready top rail and streamlined rear end make mounting a red-dot straightforward, and the included QD swivel mount supports practical sling use. If you value compact handling and proven construction in a no-nonsense package, the PDX 505-SPS is a focused option to consider for range-focused work and recreational shooting.

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