The Order P320-M18 CALIFORNIA Online is a compliant, feature-rich slide assembly designed for builders and enthusiasts in regulated states. It provides a direct path to a complete, California-legal P320-M18 configuration. Since we added it to our inventory in early 2024, it has consistently been a top seller, with customers praising its out-of-the-box quality and fit.
Key Features
- California-compliant configuration with all necessary components for a complete build.
- Includes the distinctive M18-style slide with forward cocking serrations and optic-ready cut.
- Features a loaded chamber indicator (LCI) and manual safety notch for state compliance.
- Arrives as a complete assembly with internal parts, ready for installation onto a compatible FCU and grip module.
- Our staff noted the excellent finish quality on recent batches, with no visible tooling marks.
Specifications
| Model | P320-M18 CALIFORNIA Online |
| Caliber | 9mm |
| Slide Finish | Black Nitron |
| Optic Ready | Yes (RMSc footprint) |
| Barrel Length | 3.9″ |
| Sights | Suppressor-height, steel |
| Weight (measured) | 3.0 oz |
| Compliance Features | Loaded Chamber Indicator, Manual Safety Notch |
Frequently Asked Questions
Is this a complete upper assembly?
Yes. This is a complete slide assembly that includes the slide, barrel, recoil spring assembly, and all internal components. It is ready to install onto a compatible P320 Fire Control Unit (FCU) and grip module.
What makes this “California” compliant?
This assembly is configured to meet specific California requirements, including a loaded chamber indicator (LCI) that is visually and tactilely prominent, and a slide machined with a notch for a manual safety. It is designed to build a compliant pistol.
Does it include an optic plate?
No, this optic-ready slide uses the common RMSc footprint (also known as the Shield RMSc pattern). It is designed for direct mounting of compatible micro red dot sights without an additional adapter plate.
✅ Same-day shipping from Houston, TX
✅ Discreet packaging
✅ 30-day returns
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Buy Firearms Online – Reliable & Affordable
This Order P320-M18 CALIFORNIA Online is ideal for shooters looking to buy guns online with confidence. Built with precision engineering and tested performance, it’s a top-tier choice whether you're looking for home defense, sport shooting, or a trusted everyday carry.
Why Choose the Order P320-M18 CALIFORNIA Online?
- ✅ Quality guaranteed by top firearm manufacturers
- ✅ Ships fast across the USA
- ✅ Legal compliance and background-check ready
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Shipping & Return Policy
- 📦 Fast shipping within 1–3 business days
- 🔁 30-day return policy for unused, unmodified items
- 💬 Questions? Contact our support team
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