The MPX Copperhead features a monolithic Elite Series Cerakote finish upper receiver, with an integrated stock knuckle lower, and a 3.5" barrel with integrated muzzle brake. 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.

• FAMILY: MPX Series
• MODEL: MPX Copperhead K
• TYPE: Semi-Auto Pistol
• ACTION: Semi-Auto
• CALIBER/GAUGE: 9mm
• FINISH: Nitride
• FINISH TYPE: Black
• FRAME: Alloy Frame
• STOCK/GRIPS: Pistol Grip / NO BRACE
• BARREL: 4.5"
• OVERALL LENGTH: 22.3"
• RATE-OF-TWIST: 1-in-10
• CAPACITY: 20 + 1
• # OF MAGAZINES: 1
• MAG DESCRIPTION: 20 rd. Magazine
• SIGHTS: No Sights / Optics Ready
• SIGHT TYPE: None
• THREAD PATTERN: 13.5x1mm LH
• SPECIAL FEATURE: Threaded Barrel
• WEIGHT: 4.6 lbs
• SHIPPING WEIGHT: 6.7 lbs.
• ADDL INFO: Timney Single Stage Trigger
• ADDL INFO: One Piece Upper w/M-Lok
• ADDL INFO: Ambidextrous Controls
• MFG MODEL NO: PMPX-4B-CH-NB