Maxim Defense PDX-SD 5.56 5.5″ 20rd SBR Black

Description

The Maxim Defense PDX-SD is a suppressor-tuned short-barreled rifle designed to deliver compact, full-power 5.56/.223 performance. This configuration pairs a 5.5″ barrel with a platform engineered to interface with a dedicated PDX-specific suppressor to manage gas blowback and cyclic rate. The suppressor components are user-serviceable and include integrated carbon cutters for easier maintenance. Built with military-grade materials and fitted with a Maxim SCW stock, the PDX-SD targets users who value a compact, durable, and maintainable platform.

Key Specifications

• Chambered in .223 REM/5.56 NATO.
• The barrel measures 5.5 inches.
• Magazine capacity is 20 rounds.
• Action type is Semi-Auto.
• Finished in Black.
• Uses a Maxim SCW stock.
• Grip material is Polymer.
• Model designation is PDX-SD.
• Configured as a Short-Barreled Rifle (SBR).
• Suppressor-tuned design includes user-serviceable suppressor components and integrated carbon cutters.

Compact and purpose-built, the PDX-SD offers a low-profile package for users who need maneuverability without sacrificing cartridge performance. Its suppressor-focused engineering, serviceable components, and durable construction make it a practical choice for those who prioritize a compact, maintenance-friendly platform with proven reliability characteristics.