The SIG Sauer M17 CSS 9mm is the full-capacity civilian version of the U.S. militarys Modular Handgun System sidearm. Featuring a 4.7-inch barrel, Coyote PVD finish, and a high-capacity 21+1 configuration, this full-size striker-fired pistol delivers military-grade performance with enhanced civilian appeal.
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The SIG Sauer M17 CSS is designed with the MHS slide configuration and comes optics-ready, allowing for direct mounting of red dot sights. Siglite front and rear night sights provide reliable visibility in all lighting conditions, while the Coyote PVD finish enhances both corrosion resistance and aesthetics. The full-size frame and steel construction ensure durability under extended use.
Equipped with ambidextrous controls and a manual safety, the M17 CSS is ideal for duty, home defense, or range use. It includes three magazines—two 21-round and one 17-round—for maximum flexibility and extended firepower. Marked with the M17 serial number series, this model combines military heritage with modern functionality.
SIG Sauer M17 CSS Specifications
Caliber: 9mm
Action: Striker fired
Barrel Length: 4.7 inches
Capacity: 21 + 1
Magazines Included: 3
Magazine Description: (2) 21-round, (1) 17-round
Frame: Steel frame
Finish: Coyote PVD
Grips: Coyote polymer
Sights: Siglite front and rear
Sight Type: Fixed sights
Optics Ready: Yes
Safety: Manual safety
Overall Length: 8 inches
Weight: 30.5 oz
Additional Features: MHS slide configuration, M17 serial number series, ambidextrous controls
More Information
Barrel Length
4.7
Caliber
9mm
Capacity
21
Condition
New in Box
Finish Per Color
Coyote Brown
Manufacturer
Sig Sauer
Manufacturer Part Number
M179CSSMS
Model
P320 M17 CSS
Type
Semi Auto Handguns
UPC
798681715176
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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