Maxim Defense PDX-SD 5.56 Pistol, 5.50in, SCW Brace

About this product

The Maxim Defense PDX-SD is a compact AR-style pistol built around the SCW stabilizing brace and chambered for .223 Rem / 5.56 NATO. It pairs a short, 5.50″ barrel with a 1/2″x28 threaded muzzle to support suppressor-ready configurations and accessory attachment. The pistol arrives in a hard-anodized black finish for corrosion resistance and a subdued appearance suited to duty, range, or personal-protection roles.

Key Specifications

• The manufacturer is Maxim Defense Industries.
• The model is PDX-SD (SCW series).
• The category is AR Pistols.
• The caliber is .223 Rem / 5.56 NATO.
• The barrel length is 5.50″.
• The muzzle is threaded 1/2″x28 for attachment compatibility.
• The finish is Hard Anodized.
• The color is Black.

This compact, suppression-ready platform combines short-barrel maneuverability with Maxim Defense’s SCW stabilizing brace and standard AR ergonomics. The PDX-SD is appropriate for shooters who want a modular, accessory-friendly AR-style pistol with a durable finish and straightforward functional design.