Description

The Sig Sauer M17 CSS is a commercial, P320-based, striker-fired 9mm pistol built to the M17/MHS specification. It features a 4.7″ barrel and a coyote-tan PVD finished slide with an optic-ready footprint compatible with ROMEO-M17 and DeltaPoint Pro pattern optics. The pistol ships with multiple magazines and a manual safety for users who prefer a mechanical safety option.

Key Specifications

• The cartridge is 9mm.
• The barrel measures 4.7 inches.
• The slide finish is Coyote PVD.
• The slide is constructed of stainless steel.
• The grip module is a coyote carry-length medium configuration.
• The package includes one 17‑round and two 21‑round magazines (three magazines total).
• The action is striker-fired, semi-automatic with a curved trigger.
• Equipped with a SIGLITE front night sight and a removable night sight rear plate.
• The slide is optic-ready to accept DeltaPoint Pro / ROMEO‑M17 footprint optics.
• The unloaded weight is approximately 30.5 oz and overall length is 8.0 inches.

The M17 CSS blends the modularity of the P320 platform with service-grade features in a commercial package: optic readiness, night sight capability, a carry-length coyote grip module, and a manual safety. Its configuration makes it suitable for range work, duty-style carry, and general defensive readiness while retaining the ergonomics and modularity shooters expect from the M17 design.