SIG Sauer P320-M18 9mm Compact - Coyote Tan, 3.9 inch Barrel, Ambi Safety, 21+1 Capacity
The SIG Sauer P320-M18 is the compact 9mm variant with a carry-length grip, finished in coyote tan to match its duty-proven configuration. This example features a serialized stainless FCU visible through the left-side window with an M18-prefix serial, fixed steel sights, ambidextrous manual safeties, and an accessory rail with three MIL-STD-1913 slots. It ships with two 21-round magazines and one 17-round magazine, and is manufactured in Newington, New Hampshire, USA.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are light markings from prior handling and use. Please refer to the photos for close-ups.
What’s Included
- No box or case included; any case shown in photos is for display only and is not included
- Two 21-round steel double-stack magazines
- One 17-round steel double-stack magazine
- Patch
The M18 configuration pairs a compact 3.9-inch slide with a carry-length grip module for a balanced feel and generous capacity. The coyote-tan slide and grip module match the service pattern finish, and the slide is cut with front and rear cocking serrations for confident manipulation.
Controls are fully ambidextrous where specified, including the manual safeties and slide catch, with a standard magazine release. The pistol is striker-fired and includes internal safeties as listed.
Build details include a steel barrel, a stainless steel receiver (FCU) visible through the left-side window with an M18-prefix serial, and a durable polymer grip module. Marked NEWINGTON, NH, USA, this pistol is manufactured in Newington, New Hampshire, USA.
Sight setup is straightforward and robust: fixed steel units with a white-dot front blade and a square-notch rear. An accessory rail with three MIL-STD-1913 slots supports common light and laser attachments.
Included magazines are steel, double-stack P320/M17/M18 pattern units: two extended 21-round magazines and one flush-fit 17-round magazine, supporting a maximum capacity of 21+1.