Sig Sauer M18X-9-RX | M18X RX 9mm 3.9in ROMEO-M17

The Sig Sauer M18X is an XSeries evolution of the M18 platform, supplied here with a factory-mounted ROMEO-M17 red dot and three 21-round magazines. Its 3.9-inch barrel and carry-sized profile are designed for everyday carry and duty use where compact handling and consistent function matter. The XSeries Coyote Tan grip module provides an extended beavertail, aggressive stippling, deeper undercuts and a magwell to aid reloads and control. For an alternative compact red-dot under $1000, consider a low-profile model such as the Holosun 507K for a slim footprint and reliable electronics.

Product Specifications

• The caliber is 9mm.
• The barrel measures 3.9 inches.
• The overall length is 7.2 inches.
• The weight is 30.8 oz.
• The slide finish is Coyote PVD.
• The barrel material is Carbon Steel.
• The sights are SIGLITE Night Sights and it includes a factory-mounted ROMEO-M17 red dot optic.
• The number of magazines included is 3 x 21-round.
• The action type is Semi-Auto.
• The trigger is a XSeries flat trigger.
• The grip color is Coyote Tan.
• The accessory rail is a M1913 Picatinny.
• The muzzle is Non-Threaded.
• The UPC is 798681684205.

The M18X pairs the proven ergonomics of the M18 platform with XSeries enhancements aimed at faster reloads and more consistent control under stress. The factory ROMEO-M17 optic and included magazines make it straightforward to run from the range to carry setup; the coyote finish and XSeries grip module give a balanced blend of function and reduced glare. For shooters who value an ergonomic carry pistol with modern optics readiness and fast-handling features, this configuration provides a practical, feature-rich option.

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