New SIG MPX Copperhead, black, unfired—4.5″ barrel

Description

New in box (never fired) with full-size grip—not the small one other Copperheads ship with. These go for much more online, and it’s rare to find one with the removable pistol brace. Never got out to fire it, but I was laid off and need money for bills.

Sig Sauer MPX Copperhead 4.5″, 9mm, Pistol Brace, M-LOK Handguard & 20 Round Mag, Black. Re-designed for the ideal blend of concealability, function and power, the MPX Copperhead from Sig Sauer offers tactical 9mm performance in a small, versatile package. The pistol brace of the anodized firearm collapses into the receiver for greater concealability and ease of transport. The rifle boasts an aluminum alloy receiver housing a 4.5″ carbon steel barrel and a Timney single stage straight trigger. The MPX Copperhead has a 1913 rail with M-LOK accessory mounts and ships with a 20 round MPX mag. This Sig firearm is a must have for any situation.

The MPX Copperhead features a monolithic Elite Series black anodized upper receiver, with an integrated stock knuckle lower, and a 4.5″ barrel with integrated muzzle brake. The MPX Copperhead comes equipped with the new SIG SAUER Pivoting Contour Brace (PCB) giving pistol users a brace that easily adapts to the movement of the shooter’s arm with a patented swivel operation for perfect placement, and can be rapidly deployed.

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. 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.

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