Description
SIG Sauer P320-M18 9mm Manual Safety Pistol, Coyote, 3.9" Barrel, 17-Round
The SIG M18 is the carry-size military P320. It is the shorter MHS P320: the same coyote military 9mm in a 3.9 in. carry slide.
The M18 uses the shorter slide, not the full-size M17. A factory ROMEO-M17 is installed only when this page says so. These pistols ship to a licensed FFL.
This configuration
This commercial M18 is not the earlier P320-M18 PRO-footprint pistol and not the M18X. SIG includes one 17-round steel magazine and two 21-round steel magazines. The 17-round magazine sits flush in the carry grip; the 21-round magazines extend below it. No factory red dot is installed. The optic-ready slide uses the M17/M18 MHS configuration with a single-screw rear sight plate. SIG lists that footprint for DeltaPoint Pro and ROMEO-M17 sights. A SIGLITE night sight sits up front, and the rear sight is a removable night sight plate. A ROMEO1PRO or other PRO-only sight is a different cut from the MHS plate SIG lists for this slide.
What ships
A factory optic is installed only when this page says so. This item ships to a licensed FFL. See the SIG M18 collection.
Specifications and Included Items
- Model: M18-9-CSS-MS
- Series: M18
- Caliber: 9mm Luger
- Pistol size: Carry
- Barrel: 3.9 in. carbon steel; not threaded
- Overall width: 1.5 in.
- Height: 5.5 in.
- Sight radius: 5.8 in.
- Weight: 28.1 oz with magazine
- Slide: Stainless steel; coyote M17 PVD finish; M18 slide marking
- Grip module: Standard coyote carry medium; coyote tan
- Sights: SIGLITE front night sight; removable night sight rear plate
- Optic-ready: Yes; M17/M18 MHS footprint; SIG lists DeltaPoint Pro and ROMEO-M17; no optic installed
- Trigger: Striker-fired with curved trigger
- Manual safety: Ambidextrous
- Accessory rail: M1913
- Included magazines: (1) 17-round and (2) 21-round steel magazines
- Loaded chamber indicator: Yes; visual and tactile indicator on the slide
- Transfer: FFL required
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