SIG Sauer P320 M18 9mm Pistol 3.9" Barrel 10rd CA Compliant

The SIG Sauer P320 M18 delivers the proven performance of the U.S. military's M18 service pistol in a California-compliant configuration. This striker-fired pistol combines military-grade reliability with civilian practicality, featuring the same modular design that earned military adoption across multiple branches.

What Makes This Different

The P320 M18 stands apart from standard P320 models with its authentic military specifications and Coyote Tan PVD finish. The modular fire control unit allows complete customization of grip size, barrel length, and caliber without requiring a new serial number transfer. Unlike traditional pistols with fixed frames, the P320's serialized trigger group enables users to adapt the platform to different roles and preferences.

Key Features

• Military-specification Coyote Tan PVD finish resists corrosion and wear
• 3.9-inch stainless steel barrel with 1:10 twist rate
• Modular polymer grip frame accepts multiple size configurations
• SIGLITE night sights with tritium inserts for low-light visibility
• Ambidextrous slide catch and reversible magazine release
• M1913 Picatinny rail accommodates lights and laser accessories
• California-compliant 10-round steel magazines included

The P320 M18 excels in both professional and civilian applications. Law enforcement agencies appreciate the consistent trigger pull and rapid sight acquisition, while competitive shooters benefit from the crisp break and short reset. The striker-fired action eliminates external hammers and levers that can snag during concealed carry. Weather-sealed construction maintains function in temperatures from -40°F to 140°F, with proven reliability through 20,000+ round endurance testing.

Technical Specs

• Caliber: 9mm Luger
• Barrel Length: 3.9 inches
• Overall Length: 7.2 inches
• Height: 5.5 inches
• Width: 1.3 inches
• Weight: 28.1 ounces (loaded)
• Magazine Capacity: 10 rounds (CA compliant)
• Trigger Pull: 5.5-6.5 pounds
• Finish: Coyote Tan PVD
• Sights: SIGLITE night sights
• Frame Material: Polymer
• Made in USA

The P320 M18 represents proven military performance adapted for California's regulatory environment. This platform's modularity and reliability record make it a sound investment for serious shooters seeking authentic military specifications.