The Maxim Defense PDX-SD is a compact AR-style pistol chambered in .223 REM/5.56 NATO designed for controlled handling and modularity in confined environments. It features a 5.50-inch barrel with a 1/2×28 threaded muzzle and a hard-anodized black finish for corrosion resistance. The pistol is configured with the SCW brace and is part of Maxim Defense’s SCW series.
Key Specifications
- The caliber is .223 REM/5.56 NATO.
- The barrel length is 5.50 inches.
- The muzzle thread pattern is 1/2×28.
- The finish is Hard Anodized.
- The color is Black.
- The series is SCW.
- The model designation is PDX-SD.
- The manufacturer is Maxim Defense Industries.
Well-suited for users who prioritize compact handling and accessory compatibility, the PDX-SD pairs a short barrel and industry-standard threading with a durable finish and a brace designed for controllable operation. Its chambering and construction provide a practical platform for a range of responsible shooting applications where a compact AR-style pistol is desired. The PDX-SD delivers a focused feature set for owners seeking a compact, modular option in a proven chambering.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




