How To Mount Leupold Deltapoint Pro On FNX 45 Tactical

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Here is how to mount Leupold Deltapoint Pro on FNX 45 Tactical.

Step 1. Install Leupold Optic Plate 171203

The best way to install the mounting plate using the screws provided in the package.

  • Tighten to 18-20 in-lbs to the slide
leupold deltapoint pro plate part 171203

Get the Leupold Part 171203 Here

Step 2. Secure The Leupold DeltaPoint Pro

Install DPP and tighten the M4 X 14mm torx head screws to 25 in-lbs

Check torque for every 1000 rds

leupold deltapoint pro fnx 45 tactical

The only down side is that the plate doesn't lock against the slide, and it's hold by screw tension. So torque check is important. 

There is also no iron sight co witness.

Other Options

Filing off the front part of the optic body helps to fit the optic without having to do anything to the rear sight.

The DeltaPoint Pro footprint fits the slide cut cover plate holes, but the optic is slightly longer so it doesn't line up. 

If you would like to return to a RMR optic, please check out our FNX 45 Red Dot Sight guide for more information.