Eotech sights are better suited for ARs. Look at the small reflex sights like the Burris FF3. They mount lower than any other dot. Some of the other reflexes like what Truglo makes are too high for me as well.
The lowest you can mount a FF3 or similar is having your gun drilled and tapped for a 336 mount. Unless it's a mossberg, their factory spacing works for the 336 mount.
Here's one of my 336 mounts:
And another: