Sig Sauer P320 M18X 9mm 3.9in with ROMEO-M17

The Sig Sauer P320 M18X is a 9mm Luger semi-automatic pistol configured with a 3.9-inch barrel and factory-mounted ROMEO-M17 red dot optic. It features a Coyote XSeries grip module with an extended beavertail, flat XSeries trigger, and three 21-round magazines.

The ROMEO-M17 optic uses a ruggedized aluminum housing and enclosed construction. The XSeries grip module incorporates a magwell and textured surfaces intended to support a consistent grip and efficient magazine changes.

Key Specifications

• The chambering is 9mm Luger for use with compatible 9mm ammunition.
• The action is semi-automatic, striker-fired.
• The barrel measures 3.9 inches and is described as non-threaded carbon steel.
• The pistol includes a factory-mounted ROMEO-M17 red dot optic.
• The sight configuration includes SIGLITE front and rear night sights.
• The grip module is a Coyote polymer XSeries carry frame with an extended beavertail and magwell.
• The trigger is an XSeries flat trigger.
• Each included magazine has a capacity of 21 rounds.
• The package includes three magazines.
• The listed unloaded weight is 30.8 ounces.

With its compact carry-size format, integrated optic, night sights, and XSeries controls, the M18X provides a well-equipped platform for range use and lawful everyday carry applications. Its included magazines and factory-configured sighting system make this setup practical for users seeking a complete 9mm pistol package.

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