Description
The SIG Sauer P320-M18 is the official U.S. Armed Forces variant of the renowned modular handgun system. Manufactured by SIG Sauer, it features a coyote-tan PVD-coated stainless steel slide and a coyote polymer grip module. This model stands out with its manual safety, optic-ready cut, and suppressor-height sights, delivering military-proven reliability in a versatile, duty-ready platform.
Key Features
- Official U.S. Military M18 variant with manual safety
- Optic-ready slide cut for Romeo1Pro footprint
- Suppressor-height X-RAY3 day/night sights
- Coyote PVD-coated stainless steel slide
- Modular FCU compatible with P320 grip modules and slides
Specifications
| Caliber / Type | 9mm Luger / Semi-Automatic Pistol |
|---|---|
| Material | Stainless Steel Slide, Polymer Grip Module |
| Finish | Coyote Tan PVD Coating |
| Compatibility | SIG Sauer P320 Series Modules & Slides |
| Weight | 29.6 oz (unloaded) |
The P320-M18’s reliability stems from its striker-fired, short-recoil operated system and its serialized, self-contained Fire Control Unit (FCU). This design enhances safety and allows for extensive customization. Chambered in 9mm, it offers a 17+1 capacity, making it a capable choice for duty, home defense, and tactical training applications.




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