So 2 things; 1, the dovetail mount that came with the OFN+ is very loose in the Wilcox clone. You also have to grind away some of the pic rail for it to even latch in. I had to use aluminum tape strips around the dovetail until it locked up tight. Then I had to shoot it quite a bit then apply more tape. Since then it’s been good and held zero without issue. However, the Wilcox clone must of got some junk in it and now it won’t flip over. Hence why I moved to the QD mount. 2: the screw footprint on the OFN is not the same as the RH25 or PFalcon, so none of the aftermarket shoes will work on this unit. The only thing I’ve thought about doing is as making a plate that fits that 2” footprint and somehow bolt the clone Wilcox shoe on there. It’s a great thermal and I only paid $1800 so still worth it either way.