The SIG Sauer P320 M18X RX combines the M18 compact configuration with an X-Carry grip module and factory-installed ROMEO-M17 red dot optic. Chambered in 9mm, it features a 3.9-inch rifled barrel, a flat X-Series trigger, SIGLITE night sights, and a polymer frame in a brown finish. Its 21+1 capacity, integral Picatinny rail, and manual safety provide a practical setup for duty, range, and defensive applications.

Key features

• Factory-installed ROMEO-M17 red dot optic for fast target acquisition
• Compact 3.9-inch 9mm configuration with 21+1 capacity
• Coyote Brown X-Carry polymer grip module with integrated magwell
• Flat X-Series trigger for a consistent trigger press
• SIGLITE night sights provide visible aiming references in low light
• Integral Picatinny rail supports compatible accessories

The SIG Sauer P320 M18X RX delivers a compact, optic-equipped configuration with practical capacity and adaptable controls.