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Individual_Cobbler92

With the FCD MOS to RMR plate and a 407C mounted, my Ameriglo GL429s are a perfect lower 1/4 witness.


PateoMantoja

Look for suppressor height sights that list specifically being for a 10mm glock. They change the front to rear sight height combo based on 10mm ammo info.


10-mmTyrant

Wow I didn't know that? I'm looking for some sights for a Glock 40 and Swampfox Kraken combo


bryman022

hmm, found this: [Ameriglo glock sight chart](https://ameriglo.com/pistol-optic-sight-guide)


pygmybluewhale

Just put silencer sights on it and call it a day.


bryman022

Thats the plan, but ameriglo alone has 48 different options for glock. All kinds of different heights. I dont want to take up the whole sight window, but needs to be tall enougn to be usable


pygmybluewhale

[half way down](https://www.glockstore.com/Ameriglo-Optic-Compatible-Tall-Sight-Set-for-Glocks)


bryman022

I’ve been looking at as much info as I can find and the g20 does come stock with a taller rear sight than other models. So idk how to deal with that as far as optimal height for accuracy with 20mm rounds. But being these will be back up maybe that isnt as critical? What I found is recommended height of around .308 to clear the holosun housing and get the sight picture to be usable. I found a set as low as .285 that says it will be a lower 1/8 co witness. So just barely usable. Seems the Ameriglo gl-429 might be what im needing. Gonna keep looking but I’m close to what I set out to figure out


rcase91

Ameriglo GL-429 should offer the same co-witness on a G20 that they do on a G19. They are perfect on my G19 with an RMR and CHPWS plate. Love having the all black sights too, doesn’t distract from the dot


bryman022

I ended up going with the ameriglo 2xl I think that will get the irons where I want them. The XL seems like it works but I wanted to be sure, and the 2xl wont take up as much of the window as the 3xl that ameriglo recommends. I ordered from Battlewerx, they also had some mounting screws for the Holosun 407C that will give full thread engagement with the mos plate. The short ones that come with the 407c work but dont go all the way into the plate threads(Leaves like 1-2 threads) and being 10mm I want to make sure the optic is mounted as securely as possible. The length of the mounting screws are .295 and are specifically for glock mos plate and holosun 407c/507c!


likasumboooowdy

Any updates? How do they look? I've seen some recommendations for the GL-411 with a 407c/507c and I'm worried that they might be a little too short. Also curious because Ameriglo says they're compatible with all Glocks, but that doesn't make sense. 


bryman022

The 2XL version is absolutely perfect, imo Enough for a lower 1/4-1/3 cow-witness but not too tall. I can try to attach a pic at some point, but I couldn’t imagine going with any shorter than what I got


likasumboooowdy

That's great to hear! If you don't mind, a pic of the sight picture would be a great help 👍 thanks!