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Mfg Item #: PMPX-4B-CH-NB
The Sig Sauer MPX Copperhead K features a monolithic Elite Series Cerakote finish upper receiver, with an integrated stock knuckle lower, and a 4.5 barrel with integrated muzzle brake. The Sig MPX Copperhead K operates from a fully-closed and locked rotating bolt, offering enhanced reliability and safety in use. A short-stroke gas piston allows this 9mm Sig Sauer to run all weights and brands of 9mm ammunition with no adjustments to the gas valve.
This Sig MPX for sale redefines the submachine gun category with a new level of operator safety, in-field adaptability and proven reliability in the harshest environments. It features dual-sided selector switch, magazine release, charging handle and bolt release.
| Action | semi-auto |
|---|---|
| Barrel | 4.5" |
| Finish | Nitride |
| Length | 22.3" |
| Sights | No Sights / Optics Ready |
| Caliber | 9mm |
| Capacity | 20 + 1 |
| Magazine | 1 20 rd. Magazine |
| Rate Of Twist | 1-in-10" |
| Stock Frame Grips | Alloy Frame Pistol Grip / NO BRACE Alloy Frame |
| Nfa Thread Pattern | 13.5x1mm LH |
| Additional Feature 1 | Timney Single Stage Trigger |
| Additional Feature 2 | One Piece Upper w/M-Lok |
| Additional Feature 3 | Ambidextrous Controls |