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The M18 was recently issued to all branches of the U.S. Military and was chosen as the official sidearm of the U.S. Marine Corps. The P320-M18 is the commercial version that brings the same unprecedented accuracy, extreme reliability and unmatched durability the military demands.

The P320-M18 comes standard with SIGLITE night sights and a removable night sight rear plate. The slide is optic ready and directly compatible with the ROMEO1 PRO.

Firearm Specifications

  • Manufacturer: Sig Sauer
  • Style Number: 320CA-9-M18-MS-10
  • Model: P320 M18
  • Caliber: 9mm
  • Barrel Length: 3.9 in
  • Sights: SIGLITE Front / Night Sight Rear Plate
  • Action: Striker Fired
  • Capacity: 10-Rounds
  • Trigger: Standard Curved
  • Grip Module: Carry Polymer Medium
  • Frame Finish: Coyote Tan
  • Slide Finish: Coyote PVD
  • Overall Length: 7.2 in
  • Weight: 28.1 oz
  • State Compliant: CO / CT / HI / IL / MA / MD / NJ
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Sig Sauer P320 M18 Carry 9mm Optics Ready Pistol (10 Round Model)