Mounting a Holosun 507 on Glock19
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  1. #1
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    Mounting a Holosun 507 on Glock19

    So I’m trying to mount the holosun 507 on a G19 gen3 slide. It has the rmr cut already done and the holosun is the same pattern as the rmr. So my question is do I mount the optic straight to the slide or do I need a mounting plate? If I need a mounting plate date there options that do not use the dovetail? I want to mount the optic but also use /install iron sights. So I’m just a little confused on how to get the optic mounted to the slide.
    M
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    It depends on how the cut was done/intended to be used. It's not unusual for a cut to be custom for a particular sight - the slide has screw holes drilled to specifically line up with the sight. In this case there's no intent to use a plate - the slide and sight match each other already.

    With the Glock MOS versions, the slide screw holes match up to the plates. The plates are different to match to the different sights (most fit a couple of standards). This gives more options than the typical custom rmr cut.

    So, with that said, if your Holosun matches up to the slide you can screw it directly onto the slide (be sure to use screws the correct depth). If it isn't a match to what's already been done to your slide, you could have some challenges. You would either need a plate that matches your slide and the Holoson (think converter) or you would need new screw holes put into the slide. Personally, I would seriously consider just using the RMR the slide was originally cut for. You mentioned the Holosun was the same pattern as the rmr so hopefully everything lines up and you just need the right screws and a little locktite.
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  3. #3
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    I have a couple of the Holosun 510c sights, but they are mounted on rifles... Great sights...

    Looks like the 507 comes with a Picatinny rail mount under the sight... Ran a quick Google check and it looks like the 507c has RMR mounting configuration... If you already have the sight, take the rail mount off and see if it fits your Glock... If it fits, you are good to go.
    "While the anti-gunners seem very concerned about the "one life" that your firearm might take -- they are not very concerned about the lives it will save." Jon H. Gutmacher, Florida Firearms - Law, Use & Ownership

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