SIG Sauer MPX Copperhead 9mm Pistol, 3.5" Barrel
SIG Sauer MPX Copperhead in 9mm features a 3.5" barrel with integrated muzzle brake, 20-round capacity, and SIG's Pivoting Contour Brace for adaptive support. Coyote Elite Cerakote finish with ambidextrous controls.
SIG Sauer MPX Copperhead: Modern Submachine Gun Design
The MPX Copperhead represents SIG Sauer's evolution of the submachine gun platform, delivering operator-focused design and proven reliability in demanding conditions.
Key Features
- Caliber & Capacity: 9mm Luger, 20-round magazines
- Barrel: 3.5" with integrated muzzle brake
- Brace System: SIG Pivoting Contour Brace with 2-position adjustment and patented swivel operation for natural arm placement
- Finish: Coyote Elite Cerakote on monolithic upper receiver
- Controls: Fully ambidextrous—dual-sided selector switch, magazine release, charging handle, and bolt release
- Overall Length: 14.5" (with brace deployed)
- Weight: 7.4 lbs
Design & Reliability
The MPX operates from a fully-closed and locked rotating bolt, ensuring enhanced reliability and safety. Its short-stroke gas piston system runs all weights and brands of 9mm ammunition without gas valve adjustments—a significant advantage for shooters who use mixed ammunition sources.
The integrated stock knuckle lower receiver and monolithic upper design provide structural rigidity and consistent performance. The Pivoting Contour Brace adapts to your arm's natural movement, offering rapid deployment and comfortable extended shooting sessions.
Ideal For
Seriousness about home defense, tactical training, or competitive shooting where a compact, reliable 9mm platform matters.
Features
- pivoting contour brace
- integrated flash hider
- monolithic upper receiver
