Discover the next evolution in pistol-caliber carbine performance with the SIG SAUER MPX K 9 mm 35 + 1 SBR — a compact, modular, and highly adaptable 9 mm platform designed for tactical versatility, suppressor readiness, and quick handling. Built around SIG’s closed-bolt gas piston system, the MPX K delivers rock-solid reliability and smooth operation with a short-stroke gas piston that runs a wide range of 9 mm loads with no adjustments necessary.

This SBR variant features a 4.5″ threaded carbon steel barrel, SIG PCB folding stock for compact transport and storage, and an updated M-LOK handguard ready to accept lights, lasers, and other accessories. The single-stage trigger, ambidextrous controls, and robust M-LOK rail system make this MPX ideal for defensive roles, range training, or any setup where performance and adaptability matter.