SIG Sauer P320-M18X 9mm Compact X-Series, Coyote Tan, ROMEO M17 Red Dot, 3.9 in Barrel, 21+1, Five 21-Round Mags
This factory P320-M18X is a compact X-Series 9mm finished in coyote tan and configured with the X-Carry-style grip module, X-Series flat trigger, and a stainless slide with a coyote PVD-style finish. It comes outfitted with SIG’s enclosed-emitter ROMEO M17 red dot and includes five 21-round magazines. The build features an ambidextrous slide catch, no external manual thumb safety, and a 4-slot MIL-STD-1913 rail.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This example shows extremely minimal handling wear. The bore is bright with strong rifling.
What’s Included
- SIG Sauer ROMEO M17 enclosed-emitter red dot (coyote) with SIG-LOC bottom-mount interface, 7075-aluminum housing, NSN 1240-01-713-9795 (installed)
- Flared magazine well (installed)
- Five 21-round extended steel magazines with witness holes
The M18X configuration delivers the X-Series ergonomics and controls in a compact format. The X-Carry-style grip module provides an aggressive texture, an extended beavertail, and a removable flared magwell for confident control and fast reloads. The X-Series flat trigger offers a straight, consistent press.
The stainless slide wears a coyote PVD-style finish and is marked SIG SAUER M18 with MFR: 6ZWB1 and PN: 13067088-1. It pairs with a 3.9 in barrel for an overall length of approximately 7.2 in. The barrel hood is marked 9mm x 19. This pistol accepts P320/M18 double-column magazines and is supplied here with five 21-round magazines for a 21+1 capacity.
Controls are straightforward and duty-focused: striker-fired, semi-automatic operation, an ambidextrous slide catch, and no external manual thumb safety. A 4-slot MIL-STD-1913 accessory rail supports common lights or lasers. The pistol retains iron sights, including a front blade.
The included SIG Sauer ROMEO M17 enclosed-emitter red dot features a coyote housing machined from 7075 aluminum, a bottom-mount SIG-LOC interface, and a red reticle. The top housing is marked ROMEO M17, and the optic carries NSN 1240-01-713-9795.