The P320 M18X 9mm fuses compact duty ergonomics with purpose-built optics and sighting for fast, accurate shooting. Built on SIG’s modular P320 chassis, the M18X pairs a 3.9″ barrel and coyote finish with SIGLITE tritium night/day sights and an ambidextrous manual (M18-style) thumb safety for secure carry and confident handling. A Romeo M17-series red dot is pre-mounted for instant, co-witness-capable aiming and lightning-fast target acquisition.
The M18X’s balanced weight and tungsten-style grip feel tame recoil while the striker-fired action gives a consistent trigger pull. Whether you’re equipping a service rig, training for competition, or upgrading your everyday carry, the M18X is ready out of the box for serious use. (Confirm included magazine count and exact accessories before listing in regulated marketplaces.)





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