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Old August 28, 2010, 10:48 PM   #10
denster
Senior Member
 
Join Date: April 24, 2010
Location: Ohio
Posts: 581
Yes my suggestion would give you a bladed front sight like is on the 1860 Army. You could if you have access to a lathe turn a thicker round sight tapering up to a point depends on how you want it to look.
No I'm not a math wizard there is a simple way to figure this and I did a rough calculation in my head. Basically you are 5" high at 12yds. The sight radius on the 1851 is roughly 10". There are 432" in 12yds. Divide 10 into 432 and you have 43.2 sight radius increments in that distance. Divide 43.2 into 5 and you get roughly .115. That is the amount you either need to raise the front sight or lower the rear. I'd make it .010 taller to allow for final shooting in. This is the simple formula for those who don't like geometry. Before anyone jumps in here with the answer carried out to six decimal places don't bother. I did this in my head without a calculator.
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