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Discussion Starter · #1 ·
Finger Font Thumb Electric blue Auto part

Wood Finger Thumb Nail Household hardware

Am getting ready to replace my blacked out suppressor height sights with suppressor height night sights from FNAmerica / FN Parts & Accessories on my FN509 Midsize MRD.

Haven't found a tremendous amount of info but did read the lengthy thread on here about it. Bought a Wheeler pusher and have watched many videos on it's use and did notice it being used "incorrectly" compared to the instructions that come with the Wheeler Pusher in some instances.

From what I've read it's extremely hard to get these out. Some confusion on direction but sounds like from Right to Left as viewed from the rear of the slide and the ejection port on your right. Just want to confirm this before I attempt this this weekend.

I also took pics of the new sights and there is an indent on the underside that I've heard no one mention. Would this be why it's hard to press these out and why it may be necessary to tap with a plastic punch first to get it started?

Anyone who's done this, is there a pin or spring sticking up in the center of the channel of the Dovetail???
Wood Rectangle Tints and shades Font Electric blue
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Finger Wood Household hardware Thumb Electric blue

Rectangle Wood Font Tints and shades Automotive tire
Wood Finger Thumb Nail Household hardware

Finger Font Thumb Electric blue Auto part
 

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Discussion Starter · #5 ·
Awesome. That was one of my questions. I measured the base of the new sights and they're exactly symmetrical. So unless the slide dovetail is tapered, I didn't see what difference it would make.
 

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Discussion Starter · #8 ·
Just a quick update. Was able to push out the sights from right to left (and I agree, I don't think it matters the direction) and pushed the new ones on right to left. Only thing I had to do (and it's in the instructions with the Wheeler pusher) was when you have maximum pressure applied and the sight is not moving, tap the side of the steel of the pusher that's up against the sight with a soft small mallet hammer and then the sight starts moving. That was the main "trick" I wanted to pass on here. Oh, and you do have to remove any optics you might have mounted and reinstall the top plate that covers the optics mounting area.
 
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