I can't speak for the mount, but the Holosun has been a great addition to my setup. I love that 32moa circle. 16" at 50yds and 8" at 25 is typically about the core diameter of my pattern at those ranges. Love knowing everything inside that circle is getting touched. Also helpful in estimating range. They get twice the size of that circle and I know they're inside 50. I've got the 507c-gr. I prefer the green to red. I'm sure the other sight is also top notch. Probably can't go wrong with either.
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