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Discussion Starter · #1 ·
I have a STI Ranger II and have added a Dawson's FO front sight. Now I'm going to install a 2 dot rear. It has a Novak LM cut and should go in with a little fitting. The front sight is .130" high and the slide is 4.15" long. What height rear sight do I need to order? I'd like to sight in at 20 yards.

I know there's probably a formula to determine the correct rear sight height but I can't find it.

Does anyone know what height sight I need?

Thanks for your help.
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