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Thread: BUIS

  1. #1
    Site Supporter psalms144.1's Avatar
    Join Date
    Jun 2012
    Bloomington, IN


    I've got a buddy who's running a Vortex Venom on his Gen5 G34 MOS. Ameriglo told him he had to run their tallest suppressor height sights to clear the optic housing, and they're obscuring most of the bottom of the (admittedly small) window. What height sights are y'all running on your smallish RDS on MOS guns?


  2. #2
    Site Supporter LtDave's Avatar
    Join Date
    Feb 2011
    Central AZ
    Not Glock, but related. On my direct milled HK VP9 I tried a set of Heine suppressor height sights and found they blocked too much of the window on my RMR. Switched them out for a standard height set of Heine’s that work great. On my direct milled Glocks, suppressor height sights from Suarez and Ameriglo work fine.
    The first indication a bad guy should have that I'm dangerous is when his
    disembodied soul is looking down at his own corpse wondering what happened.

  3. #3
    Site Supporter David S.'s Avatar
    Join Date
    Sep 2011
    Also not Glock specific. I keep the bottom of a typical rear sight notch even with the top of the sight base. I also really like the trapezoidal shape of the Ameriglo sights. Both minimize how much window is obscured.

  4. #4
    Gucci Gear, Walmart Skill Darth_Uno's Avatar
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    Aug 2017
    Most suppressor height sights, which are generally recommended for milled RMR applications, sit .315" above the slide. For an RMR on an MOS slide, appx .395" above the slide is the standard. YMMV. For other optics and applications, consult the iron sight manufacturer, most of 'em have it figured out by now.

    Be aware of what's being measured also. Dawson sights are measured above the slide (not including dovetail). Others may include the dovetail, so a supposed .395" rear sight is .395" total height, while still being only .315" above the slide (Glock dovetails are usually appx .79" deep).
    Last edited by Darth_Uno; 09-26-2019 at 05:47 PM.

  5. #5
    On my G19MOS with RMR I found the Dawson 0.395 (above the slide) rear to be too tall. I just got a .395 (total) rear and .315 front sight from 10-8, and they are perfect for me. The top of the RMR splits the rear notch, and the fiber on the front sight is almost totally visible over the RMR with the sights aligned.

  6. #6
    Join Date
    Feb 2011
    While not totally relevant to the initial post, this was the only buis thread I saw in the sub-forum.

    Just ran across this today and thought it was a cool idea. Small buis that mounts in the optic via the screws holding the irons down. Probably not a carry option for most of us, since if your optic screws break, there goes your irons as well. But for a gamer that wanted a low profile option or didn't have a dovetail milled, or a training/dry practice gun that needs an option.

    I don't know where it may fit in really, I just think it is a cool step in the direction of low profile buis options.

    Here's somebody's post on IG that made me aware of the product and it gives a decent view.
    That's why it's a good idea, if your gun has iron sights, that it's got a red dot so that if your iron sights fail... you've got some way to aim - BigT

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