oake , I just installed my ORH sight on my Super Redhawk , also put on Marbles green fiber optic up front. I do like the set-up. I'm using the larger blade , think I'll try the smaller blade , as my groups really open up at 50 yards. At 25 yards , I literally did shoot one ragged hole. ( 454 at that ), at 50 I was shooting 6-8 inch groups , I'd like to get that down to the 3 inch range. You can purchase the ORH at their web site , don't remember the exact address , just Google " one ragged hole " and it will give you the site. The sight was 24.95 plus shipping....that will get you 2 rear apartures and excellant instructions on installation, which is a piece of cake......I ordered the fiber optic front from Midway , believe it was 17.or 18 bucks plus shipping.....honestly the front sight really made a big difference , maybe more so than the rear. Good Luck