at3 tactical pro-mount mini riser mount – .83” and 1” - for rd-50 red dot sight & any picatinny/weaver scope (1.0 inch) at3 tactical the new pro-mount riser is packed with premium features in a sleek package, without the high-end price tag. it is compatible with many red dot sights, with a single picatinny rail for secure mounting. the cantilever design places your optic further forward, which makes guiding your eye towards your target even faster. the skeletonized body of the sight keeps weight low without sacrificing the strength you need for staying on target in rough conditions. and keep things snag-free, we've switched to a bolt and lock nut for a tight fit that won't get caught on your gear. available in 2 heights for cowitness, and compatible with our at3 rd-50 and many other red dot sights!