Sig Sauer P320 M18 California Compliant 9mm Compact Semi-Automatic Pistol
This P320 M18 brings the U.S. military’s sidearm design to the civilian market in a California-compliant package. Finished in service-grade Coyote PVD and built around Sig’s modular Fire Control Unit, it delivers duty-proven performance with features that matter to everyday users—optic-ready slide, night sights, ambidextrous controls, and a compact 3.9-inch barrel.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent – Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent – Sharp lands and grooves.
What’s Included
- SIG Sauer factory hard case
- Three 10-round SIG Sauer steel magazines with coyote-tan base pads
- PoleCraft Kydex IWB holster
The M18 designation ties this pistol directly to the U.S. military’s Modular Handgun System, and its Fire Control Unit is the same serialized core that allows straightforward caliber or grip-module swaps. Buyers get a battle-tested design with civilian versatility.
California compliance is achieved with a tactile loaded-chamber indicator and a magazine disconnect, so owners can enjoy the P320 system while meeting state requirements without aftermarket modifications.
The compact carbon-steel barrel and striker-fired, single-action trigger offer quick follow-up shots and controllable recoil. Front and rear cocking serrations and an optic-ready plate make slide manipulation and red-dot installation simple.
Night or day, SIGLITE tritium sights provide a clear sight picture. The stainless slide’s Coyote Tan PVD finish resists corrosion, while the polymer grip module includes an accessory rail and fully ambidextrous slide-catch and manual thumb-safety levers.