Sig Sauer(R) P320-M18 is a semi-automatic pistol chambered in 9mm. It features a 3.9 in barrel Coyote compact slide and Carry-size grip module and an optics-ready slide configuration. This striker-fired pistol is supplied with one 17-round and two 21-round magazines and features an ambidextrous manual safety loaded chamber indicator and SIGLITE front sight.Key Features3.9 in barrel chambered in 9mmSemi-automatic operation with 17-round and 21-round magazine configurationsCoyote compact slide with Carry-size grip moduleOptics-ready slide with night sight rear plate and SIGLITE front sightAmbidextrous manual safety with loaded chamber indicatorSIG SAUER(R) produces firearms with a strong emphasis on modern engineering modularity and duty grade performance across its catalog. The brand is widely known for handguns rifles optics and related products developed for military law enforcement defensive and sporting applications. SIG Sauer(R) products are recognized for durable construction practical innovation and broad platform support across a wide range of configurations.