You can as long as you have room for it on the rail.
Was not provided with that information recommend reaching out to manufacturer.
The orientation of the mount should not affect whether it can seat and properly lock up. It will only be affected if you for some reason has something on the rail that will obstruct it. If its going on an AR flat top, there should be no reason you shouldn't be able to properly lock up the mount.
Yes, it will work with all EOTech Holographic sights, including the 512.
The EOTech G-Series G33 3x Magnifier sits at an absolute co-witness height, but includes a 7mm riser to align properly with optics that use lower 1/3 height mounts.
Any magnifier on the market today is compatible with your Eotech Holographic Sight. Most magnifiers, like the EOTech G-Series G33 3X Magnifier use a picatinny rail mount and fit behind your optic on the flatop picatinny rail.
The EOTech G-Series G33 3X Magnifier will take up 3 picatinny rail slots.
The EOTech G33 3x Magnifier for Red Dot Sights come with one 7mm spacer. Without this spacer, the EOTech G33 3x Magnifier will work with a Leupold Delta Point Pro with a low mount.
Yes. The EOTech G33 3x Magnifier comes with long screws and spacer to achieve the lower 1/3 cowitness. The shorter screws included are for an absolute cowitness.
Yes. The EOTech G33 3x Magnifier comes with long screws and spacer to achieve the lower 1/3 cowitness. The shorter screws included are for an absolute cowitness. The UH-1 is a lower 1/3 and you would simply use the longer screws and spacer directly on the STS mount.