SIG Sauer P320-M18X RX 9mm Carry, 3.9 in Barrel, Coyote PVD Slide, ROMEO-M17 Installed, 3x 21-Round Magazines
This P320-M18X RX pairs the compact, M18-length 3.9-inch slide and coyote PVD finish with SIG Sauer's factory-installed ROMEO-M17 enclosed-emitter red dot. It features the X-Series carry-size medium grip with a flared magwell, a flat-faced trigger, and comes with three 21-round magazines. The pistol is striker-fired, modular, and built in the USA.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This pistol shows minimal markings from previous handling and use. Please refer to the photos for additional detail.
What’s Included
- SIG Sauer ROMEO-M17 enclosed-emitter red dot optic (installed)
- SIG Sauer ROMEO-M17 operator's manual
- SIG Sauer factory hard case with M18X-9-RX label
- Three factory SIG Sauer 21-round steel double-stack magazines
The M18-length 3.9-inch slide carries the SIG SAUER M18 roll mark and a coyote PVD finish, with front and rear serrations for positive manipulation. Slide markings include MFR: 6ZWB1 and P/N: 13067088-1.
The RX configuration includes the factory-installed SIG Sauer ROMEO-M17 enclosed-emitter optic for a sealed, duty-style red dot solution. Fixed iron sights (front post, rear notch) remain in place.
The X-Series carry-size medium grip module adds a flared magwell retained by a backstrap screw for smooth reloads. A three-slot Picatinny/M1913 dustcover rail supports compatible lights or accessories.
This striker-fired P320 variant uses the modular FCU design for caliber and size changes. It has no external manual safety levers, a flat-faced trigger, and ships with three 21-round magazines for a 21+1 capacity. The serial visible on the FCU window matches the factory case label.