Sig Sauer MPX Copperhead 9mm Pistol with 3.5 Inch Threaded Barrel (30-Round Magazine)


In stock

Unconventional design, unmatched performance, and familiar AR handling. The SIG MPX redefines the submachine gun category with a new level of operator safety, in-field adaptability and proven reliability in the harshest environments. Completely ambidextrous, the SIG MPX is great for left- or right-handed shooters with its dual-sided selector switch, magazine release, charging handle and bolt release. The SIG MPX operates from a fully-closed and locked rotating bolt, offering enhanced reliability and safety in use. A short-stroke gas piston allows the SIG MPX to run all weights and brands of 9mm ammunition with no adjustments to the gas valve.

Firearm Features

  • Monolithic Upper Receiver
  • 3.5” Threaded Barrel
  • 2-Position Pistol Contour Brace with Integrated Brace Knuckle
  • Polished and Hardened Single Stage Trigger
  • PDW Pistol Grip

Firearm Specifications

  • Manufacturer: Sig Sauer
  • Model: MPX Copperhead
  • Caliber: 9mm Luger
  • Barrel Length: 3.5″
  • Overall Length: 14.5″
  • Height: 8″
  • Width: 2.4″
  • Twist Rate: 1:10
  • Weight: 4.5 lbs.
  • Operating System: Gas Piston
  • Stock Type: – 2-Position Pistol Contour Brace with Integrated Brace Knuckle
  • Trigger Type: Single Stage; Polished/Hard-Coat
  • Receiver Finish: Black
  • Barrel Material: Carbon Steel
  • Magazine: (1) 30-Round Magazine

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