Product details

Sig's MPX redefines the submachine gun category with a new level of operator safety, in-field adaptability and proven reliability in the harshest environments. The MPX K AR pistol has an unconventional design, unmatched performance, and familiar AR handling. It is completely ambidextrous, a with dual-sided selector switch, magazine release, charging handle and bolt release. The SIG MPX operates from a fully-closed and locked rotating bolt and a short-stroke gas piston. A full-length picatinny rail allows for solid, consistent mounting of optics and targeting lasers. This model has a 4.5" threaded barrel, black hard coat anodized metal finish, and a short aluminum KeyMod handguard with handstop.


More Information
Caliber 9mm
Model MPX
Caliber 9mm
Capacity 30+1
Action Semi-Automatic
Safety Ambidextrous
Barrel Length 4.5"
Barrel Length Range 4.00" to 4.99"
Grips Black Polymer
Metal Finish Black Hardcoat Anodized
OAL 13.5"
Sights None, Optic Ready
Type AR Pistol
Weight Range 6.00 lbs to 6.99 lbs

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