Maxim Defense PDX 5.56 5.5in Pistol | 20rd | MXM-47803

The Maxim Defense PDX is a compact AR-style pistol chambered in .223 Rem/5.56 NATO with a 5.5-inch threaded barrel and a factory-installed SCW brace system. It features Maxim’s patented SCW four-inch brace with an integrated bolt carrier group and interchangeable buffer weights for improved recoil control and follow-up speed. The PDX ships with a HATEBRAKE muzzle booster installed under the M-LOK handguard and measures 18.75 inches overall, making it well suited to close-quarters and vehicle-based applications. Pair this platform with a Vortex Strike Eagle 1-6×24 for a versatile, sub-1000 USD optic that supports both quick target acquisition and precision at moderate ranges.

Product Specifications

• The manufacturer is Maxim Defense Industries.
• The model is listed as PDX.
• The caliber is .223 REM/5.56 NATO.
• The barrel measures 5.5 inches and is threaded.
• The action is Semi-Auto.
• The magazine capacity is 20 rounds.
• The finish is Anodized and the color is Black.
• The material is Aluminum.
• The product includes a factory-mounted HATEBRAKE muzzle device.
• The handguard uses M-LOK attachment points and is a two-piece design.
• The stock type is a Pistol Brace using Maxim’s SCW system.
• The safety is a Manual Safety.
• The PDX measures an overall length of 18.75 inches as stated by the manufacturer.
• The part number is MXM-47803.
• The UPC is 680017478032.

The PDX combines a compact footprint, a configurable SCW brace system, and a lightweight aluminum chassis for a practical PDW-class pistol. Its short, threaded barrel and forward-redirecting HATEBRAKE make it a capable option for controlled, accurate work in tight environments and for range-focused training. Ergonomically it remains familiar to AR users while offering improved recoil management via the integrated SCW components.