The SIG MPX: The Ultimate Sub Gun

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.

This sub-gun also 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.

MPX PCC

This competition-ready platform gives you the same reliability with the ultimate in performance. Comes with the Timney MPX trigger designed for long-term performance, slim M-LOK handguard for a more M4 feel, folding telescoping stock and 3-chamber recoil reducing compensator. Built to perform at the highest level with zero modifications.

EXPLORE THE MPX PCC

MPX K

As with all MPX models, the K is modular allowing for multiple handguard and barrel lengths and is ready to go for suppressor use. The K features the SIG PCB folding brace which allows the K to fold into an ultra-compact size and be operable in the folded position.

EXPLORE THE MPX K

MPX Magazines