The SIG SAUER M17 CSS is the commercial MHS-style pistol built on the P320 platform. This full-size, striker-fired 9mm features a carry-length coyote grip module, a coyote PVD-coated stainless slide and a manual safety. The slide is optic-ready with a DeltaPoint Pro / Romeo-M17 footprint and ships with SIGLITE night front sight and removable night-sight rear plate. The package includes one 17‑round magazine and two 21‑round magazines for extended range sessions or duty use.
Key Specifications
- The chambering is 9mm.
- The barrel measures 4.7 inches.
- Includes one 17‑round and two 21‑round magazines.
- The action is striker-fired with a curved trigger.
- The slide finish is Coyote PVD and the slide is optic-ready.
- The optic footprint is DeltaPoint Pro / Romeo-M17.
- Sights include a SIGLITE front night sight and a removable night-sight rear plate.
- The frame is constructed of stainless steel and includes a Picatinny accessory rail.
- The overall length is 8.0 inches.
- The unloaded weight is approximately 30.5 oz.
Purpose-built for duty, range, and professional use, the M17 CSS pairs platform modularity with service-oriented features: optic compatibility, a manual safety, night-capable sights and multiple magazines. Its commercial MHS configuration offers a practical blend of control, sighting options and magazine capacity for shooters who want a full-size 9mm that aligns with military-derived specifications.
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