Athena Precision
FN 502 to 407K/507k/EPS ALUMINUM Red Dot Adapter Plate
FN 502 to 407K/507k/EPS ALUMINUM Red Dot Adapter Plate
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This is our FN502 Adapter plate this is made of 7075 Aluminum and is mounted using modified stainless steel screws. The plate has a built-in rear sight that works well with the factory front sight.
Fits: Holosun 407K, 507K and EPS.
May fit other models, listed is what we've tested.
All mounting hardware needed comes with the order.
Specifications:
Material: Precision machined, 7075 aluminum.
Finish: Type 2 Hard Black Anodize.
Hardware: (included) 2 Custom M3.5X12MM Screws.
SKU:FN-502-TO-407
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Well made, great fit>
Hex drive feature of both screws not centered in screwhead, less than precision!
Alright here is my first impression as I have not used this long term or taken it to the range. The last reviewer was slightly accurate about the hardware but not quite. My received stainless screws were 100% functional with a good run-on torque (mild resistance while running the screw down) and plenty of engagement. With MY slide the hardware had fantastic tolerances. My major gripe about the hardware/screws I received is that they are T15 security torque head, not standard T15. They are nice and wide for even load distribution. I don't even think I would use thread locker because they snug down with confidence. They recommend purple locktite and it makes sense why. Other notes are the new plate does not utilize the tiny rubber o-rings beneath the factory plate so store them away. I can only guess they are there for vibration reduction. My observation: one through hole on my plate was a millimeter off center for my slide but I had no issues installing. My fulls size EPS fit perfectly and flush with great dot alignment. A 407k/507k would probably be better to negate weight/mass induced malfunctions. Great job Athena now we need more plate options. You got a winner here. Future suggestions maybe cut a dovetail into the plate and design your own aluminum irons for co-witness options but I get it, this is a niche item. Please continue to keep the QC tight. 4.75 of 5 stars.
Nice plate to replace the cheap plastic piece that co. es with the pistol. The front and rear sight align well with my Holosun 407K. However the included stainless screws are probably 3-4 threads too short. The screws have 1 Thread that protruded from the bottom the plate when sandwiched together and won't start to thread since there is only 1 threads showing. Luckily I had screws to fit, but the included counter sunk stainless ones would have been nice. Totally recommend the plate for FN502 owners.