Maxim Defense PDX SCW Pistol 5.56 NATO 5.5in 20rd

The Maxim Defense PDX SCW is a compact AR-style pistol built around the Maxim SCW pistol system and designed for tight-space and urban applications. It features a short 5.5″ barrel and Maxim’s integrated SCW brace/BCG system with interchangeable buffer weights for tuned cycling. The PDX ships with the Maxim HATEBRAKE muzzle booster installed under the handguard and uses common AR-style controls and magazines for familiar operation.

Key Specifications

• The caliber is .223 Rem / 5.56 NATO.
• The barrel measures 5.5 inches.
• The magazine capacity is 20 rounds.
• The overall length is 18.75 inches.
• The action is Semi-Auto.
• The finish is Hard anodizing.
• The material composition includes 6Al-4V titanium, 17-4 stainless steel, 7075 and 6061 aluminum.
• The thread pitch at the muzzle is 1/2×28.
• The stock/brace system is the Maxim SCW Pistol System.
• The accessory installed is the Maxim HATEBRAKE muzzle booster.

The PDX SCW combines a very compact footprint with Maxim Defense’s SCW recoil-management architecture to deliver controllable, repeatable operation in confined environments. Its short barrel, integrated muzzle device, and brace system make it well suited for users who need a compact AR-pattern platform that still uses common magazines and controls. Whether used for close-quarters applications or as a compact range rig, the PDX emphasizes mechanical simplicity, parts commonality, and modular tuning via interchangeable buffer weights.