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Sig Sauer MPX Copperhead comes equipped with the Pivoting Contour Brace (PCB), providing a brace that adapts to arm movement with a patented swivel operation for placement. Unconventional design, reliable operation with 9mm ammunition. Operating system: Gas Piston. Caliber: 9mm Luger. Overall length: 14.5 in (368 mm). Overall width: 2.4 in (61 mm). Height: 8 in (203 mm). Barrel length: 3.5 in (89 mm). Weight: 4.5 lb (2 kg). Twist rate: 1:10. Mags included: (1) 20rd Polymer Mag. Mag type: MPX. Stock type: PCB. Barrel material: Carbon Steel. Trigger type: Single Stage Polished/Hard-Coat. Forend type: Alloy. Grip type: Polymer. Receiver finish: BLACK. Accessory rail: M1913.
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