C&H Precision Optic Plate for FNX to Trijicon RMR, SRO, Holosun 407C/507C – Red Dot Ready Mounts

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FNX Adapter Plates – Precision Mounts for RMR, SRO, Holosun & More

If you run an FNX V4 MIL or LEO pistol and want to mount today’s most popular red dot sights, you need the right adapter plate. These FNX plates from C&H Precision are CNC-machined from 6061 aluminum, finished with a MIL-SPEC Type III hard anodize, and built to secure your optic under recoil. Whether you’re running a Trijicon RMR, SRO, Holosun 407C/507C/508T/509T, Olight Osight X, or a C&H EDC-XL, COMP, or Duty optic, there’s a plate here engineered for your setup. Installation is straightforward, repeatable, and requires no milling—just a clean, rugged solution you can trust.

Why Choose These FNX Adapter Plates

• Designed for FNX V4 Pistols: Fits FNX MIL and LEO optics-ready platforms.

• Wide Optic Compatibility: Supports Trijicon RMR, SRO, Holosun 407C, 507C, 508T, 509T, Olight Osight X, and C&H EDC-XL, COMP, Duty series.

• CNC 6061 Aluminum: Strong and lightweight, machined for precise fit.

• MIL-SPEC Type III Hard Anodize: Protects against corrosion, scratches, and daily use.

• Secure Hardware: Stainless screws and T-nuts hold your optic in place through recoil.

• Drop-In Install: Direct fit, no permanent modifications or slide milling needed.

• Made in the USA: Built and quality-checked in Coastal Georgia by a family-run shop.

Built for Performance

The FNX 45 Tactical and FNX V4 are designed to perform under pressure, and your optic plate should be no different. Poorly machined plates can shift or loosen, throwing off your zero. C&H Precision solves this with CNC machining, premium aluminum, and hard anodizing that ensures consistent lockup. These plates are built to last, letting you mount and run your optic with confidence in training, competition, or duty use.

Installation Notes

• Fits FNX V4 MIL and LEO pistols.

• Choose the specific plate that matches your optic footprint.

• Includes screws, T-nuts, and mounting hardware.

• Apply threadlocker and torque to spec for best results.

FAQ

Which optics are supported by these plates?
They are available for Trijicon RMR, SRO, Holosun 407C/507C/508T/509T, Olight Osight X, and C&H EDC-XL, COMP, and Duty optics.

Will these plates fit all FNX pistols?
No. They are designed specifically for FNX V4 MIL and LEO optics-ready models.

What material are the plates made from?
Each plate is CNC-machined from 6061 aluminum and finished with a MIL-SPEC Type III hard anodize.

Do I need a gunsmith to install the plate?
No. These are drop-in plates that install with basic tools. A gunsmith can install it if you prefer professional service.

Will the plate hold zero under recoil?
Yes. The precision machining, hard anodized finish, and stainless hardware ensure a secure mount that maintains zero even under heavy use.

Can I switch optics later without replacing the slide?
Yes. The modular design allows you to change optics by swapping plates instead of milling the slide.