SIG SAUER P320 M18 9mm Compact, Coyote, 3.9" Barrel, 17+1, Striker-Fired, Ambi Safety, Optic-Ready
This Sig Sauer P320 M18 is a compact, 9mm Luger variant finished in coyote with a 3.9" barrel and 17+1 capacity. It features the P320's modular, serialized removable FCU and a coyote slide and frame. Notable details include an optic-ready slide with a removable rear sight plate, ambidextrous controls, and an M18A-prefix serial with 2D code. Made in the USA, the frame is marked "NEWINGTON, NH, USA," and it includes a steel, double-stack magazine stamped "MADE IN ITALY."
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in solid shape, with some scratches and blemishes present.
What’s Included
- 1x 17-round steel double-stack P320 magazine stamped "MADE IN ITALY"
The M18 configuration pairs a compact 3.9" barrel with a coyote-finished slide and polymer frame, delivering the well-known P320 modular system with a serialized, removable FCU. Capacity is 17+1 with the included 17-round magazine.
Controls are well laid out and fully featured: ambidextrous manual thumb safety, ambidextrous slide catch levers, and a left-side magazine release. The design allows takedown without a trigger press, and internal safeties are built in.
The slide is optic-ready and includes front and rear cocking serrations for positive manipulation. Iron sights are installed, with a front blade sporting a single dot and a square-notch rear integrated into the removable optic plate.
The frame includes an integral 3-slot M1913 accessory rail for mounting lights or other compatible accessories. Markings note U.S. manufacture with "NEWINGTON, NH, USA" on the frame, and this example carries an M18A-prefix serial with a 2D code. The included magazine is a steel, double-stack unit marked "MADE IN ITALY."