The SIG SAUER M18 CSS 9mm is the commercial version of the official sidearm of all branches of the U.S. Military and the official sidearm of the U.S. Marine Corps. The commercial M18 brings the same unprecedented accuracy, extreme reliability and unmatched durability the military demands, coming standard with SIGLITE night sights and a removable night sight rear plate. The optic ready slide is directly compatible with ROMEO-M17 red dot optic.
Built on a stainless steel frame with carbon steel barrel, this 9mm striker-fired pistol features a 3.9″ barrel and Coyote finish. The slide and grip module are the same coyote tan as the military version, and it includes one 17 round magazine and two 21 round magazines. The M18 CSS comes equipped with the MHS slide configuration and an optics-ready cut for direct red dot mounting.
This compact handgun has an overall length of 7.25″ and weighs 28.1 oz, making it ideal for tactical applications and concealed carry. This model features ambidextrous controls and a manual safety for versatile handling. Siglite night sights offer dependable low-light visibility, while the Coyote PVD finish provides durability and a sleek, non-reflective appearance.






