P320-M18 CALIFORNIA

$789.44

P320-M18 CALIFORNIA is a striker-fired, semi-automatic pistol, chambered in 9mm and compliant with California regulations – in stock and ships within 24 hours from Missouri.

SKU: P320-M18-CALIFORNIA-PARENT Category:

Description

The SIG SAUER P320-M18 CALIFORNIA is a state-compliant variant of the official U.S. Armed Forces M18 service pistol. Manufactured by SIG SAUER, it features a manual safety and a 10-round magazine to meet California regulations. This striker-fired pistol stands out with its Nitron-finished stainless steel slide, polymer grip module, and optics-ready design, offering a duty-ready platform for compliant carry and home defense.

Key Features

  • California-compliant with 10-round magazine and manual thumb safety
  • Optics-ready slide cut for ROMEO1PRO footprint
  • Stainless steel slide with Nitron corrosion-resistant finish
  • Modular polymer grip frame for potential size customization
  • Includes X-RAY3 Day/Night sights for rapid target acquisition

Specifications

Caliber / Type 9mm Pistol
Material Stainless Steel Slide, Polymer Frame
Finish Nitron
Compatibility P320-M18 parts & grip modules
Weight 29.6 oz (unloaded)

The P320-M18’s design centers on SIG’s proven striker-fired action with a consistent trigger pull. Its 9mm chambering balances manageable recoil with effective terminal ballistics. The modular FCU (Fire Control Unit) allows the serialized component to be swapped into different grip sizes, a core engineering feature of the P320 series. This model is configured specifically for reliable performance within California’s legal framework.

✓ In Stock — Ships within 24h✓ Discreet Packaging✓ Secure Checkout✓ USA-Based

FAQ

Is the P320-M18 CALIFORNIA legal?
Yes. This model is manufactured to be compliant with California state laws, featuring a manual safety and a 10-round magazine. It is on the California Roster of Handguns Certified for Sale.
What is it compatible with?
It is compatible with most P320-M18 components and aftermarket grip modules. The optics cut is designed for the SIG ROMEO1PRO footprint, requiring an adapter plate for other micro red dots.
How long does shipping take?
Orders ship within 24 hours from our US warehouse. Standard delivery is 3–7 business days. Expedited options available at checkout.

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