SIG Sauer MPX Copperhead 9mm Luger AR Pistol, 3.5-Inch Barrel

Description

The SIG Sauer MPX Copperhead is an AR pistol chambered in 9mm Luger. This semi-automatic configuration uses a 3.5-inch barrel, alloy frame, polymer grip, and pivoting contour brace. The optic-ready setup is listed without sights.

Key Specifications

• The pistol is chambered in 9mm Luger for use with compatible ammunition.
• The barrel measures 3.5 inches, defining the compact barrel configuration.
• The action is semi-automatic for a familiar operating format.
• The frame is made from alloy as listed in the product specifications.
• The grip uses polymer for the contact surface.
• The pistol includes a pivoting contour brace as part of its listed configuration.
• The optic-ready setup comes with no sights, leaving sight selection open.
• The package includes one 20-round magazine.
• The barrel is listed as carbon steel.
• The trigger is a single-stage design.

We stock this configuration for shooters who want an AR pistol built around a short barrel and brace-equipped format. The alloy frame, polymer grip, and carbon steel barrel provide clear construction details without unnecessary embellishment. Its optic-ready configuration leaves the sighting setup to the owner, while the included magazine makes the package straightforward. The SIG Sauer MPX Copperhead remains the defining component of this setup.