SKU: SGM18-9-CSS-MS
UPC: 798681715190
MPN: M18-9-CSS-MS
The SIG Sauer 320ca M18 Ms 9mm 3.9" 21-Round Night Sights is a compact, duty-ready firearm designed for law enforcement, military personnel, and serious civilian operators who demand reliability in high-stress environments. This model is a compact variant of SIG's proven P320 platform, delivering dependability that has earned it adoption across U.S. military and federal agencies.
With a 3.9-inch barrel, the M18 strikes a balance between shootability and concealability. The magazine holds 21 rounds, providing ample firepower for tactical situations. Factory-installed night sights ensure immediate low-light capability, eliminating the need for post-purchase upgrades.
The modular P320 architecture allows for easy interchangeability of frame and slide components, which is beneficial for mission-specific configurations and simplified maintenance. Weighing 3.69 pounds, the M18 maintains the ergonomic grip angle and trigger geometry that set the P320 apart, ensuring comfort during extended use.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
