SIG Sauer P320 M18 9mm 3.9-Inch CA-Compliant Pistol

The SIG Sauer P320 M18 is a California-compliant 9mm semi-automatic pistol with a 3.9-inch barrel and coyote-colored finish. It features a manual safety, night sights, an optic-ready slide with a removable rear sight plate, and a carry-size polymer grip module. Three 10-round magazines are included.

Designed around the P320 platform, the M18 combines a modular format with practical features for range use, training, and lawful personal protection. Its striker-fired action, accessory rail, and compact carry configuration provide a straightforward setup for informed pistol owners.

Key Specifications

• The chambering is 9mm Luger for use with compatible 9mm ammunition.
• The operating system is a semi-automatic, striker-fired action.
• The barrel measures 3.9 inches.
• Each included magazine holds 10 rounds.
• The package includes three removable 10-round magazines.
• The pistol uses SIGLITE night sights with a removable night sight rear plate.
• The slide is optic-ready and includes an optic mounting footprint identified in the supplied specifications.
• The pistol has a manual ambidextrous safety.
• The grip material is polymer in a coyote-colored finish.
• The listed weight is 28.1 ounces.

With its carry-size configuration, manual safety, night sights, and three included magazines, the P320 M18 offers a well-equipped platform for structured range practice and responsible ownership. The optic-ready slide and modular P320 design add useful flexibility for owners building a practical, carefully configured setup.

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