The P320-M18 Direct is a modern, optics-ready pistol built for shooters who want a proven platform ready for a red dot. It’s become one of our steady sellers since we started stocking it, with over 90 units sold and zero warranty claims in over a year. This model delivers the reliability of the M18 configuration in a direct-mount format.
Key Features
- Direct Optics Mounting: Machined slide accepts popular micro red dots (RMSc pattern) without an adapter plate.
- Proven M18 Configuration: Features the manual safety and coyote-tan PVD coated slide of the U.S. Military’s M18 variant.
- Modular FCU: The serialized Fire Control Unit allows for easy customization of grips and slides.
- Enhanced Ergonomics: Comes with a medium-sized grip module and three 17-round magazines.
- Optics-Ready Out of the Box: Includes suppressor-height night sights for a lower 1/3 co-witness with an installed optic.
Specifications
| Caliber | 9mm |
| Barrel Length | 3.9″ |
| Overall Length | 7.2″ |
| Height | 5.5″ |
| Width | 1.3″ |
| Sights | Suppressor-height SIGLITE Night Sights |
| Weight (measured) | 1.8 oz (FCU only, on our scale) |
| Magazine Capacity | 17+1 Rounds (3 mags included) |
Frequently Asked Questions
What optics fit the P320-M18 Direct slide?
The slide is cut for the RMSc footprint. This includes optics like the SIG ROMEOZero, Shield RMSc, and Holosun 407K/507K. Always verify specific model compatibility.
Does it come with an optics cover plate?
No, the P320-M18 Direct does not include a cover plate. The slide is designed for direct optic mounting and the cut is left open.
Is the manual safety removable?
Yes. The manual safety is a modular component. It can be removed if desired, but this requires a specific grip module without the safety cutout or modification of the included module.
✅ Same-day shipping from Rockford, IL
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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