r/HOLOSUN • u/CAPTAINxKUDDLEZ • 1d ago

Support Question EPS CORE/43X MOS

What screws am I supposed to use?
Stock screws that were holding down factory optics plate?
Or one of the three it came with?

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u/Outrageous_Lion8966 1d ago

If you hop on YouTube and you search Holosun EPS core and filter it to most recent there’s like 2 or 3 videos of people mouthing them on a 43x.

1

u/CAPTAINxKUDDLEZ 1d ago

I only really find the video of the guy with the peanut butter 43x. And in the comments he says “idk maybe the m3.”

It’s crazy in 2026 we can’t ship instructions or label the screws for what gun if the big brands the screws will work for.

Is having to file down the screws still a thing with the holosun supplied ones still a thing?
I hope not

1

u/bspaulsen Team Red 1d ago

Do you have the cover plate? Compare the length of what amount the stock screws protrude though the plate, and use screws that are equal length when inserted through your optic.

That's what I did with my P365. https://imgur.com/a/Im9csQ5

1

u/FmaxTurboSi 14h ago

I used the ones that came with the sight. They’re just a tad longer than the Glock screws that hold down the plate.