More on the Mosin:
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Many of them shoot ridiculously high over point of aim at 100 yards which is a problem unless you see taking all of your shots past that.
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Simple Fix. Measure the Sight Radius. Divide that by 3600 (number of inches in 100 yards).
I'm picking these numbers from memory but I think they are correct.
So If I remember right, I came up with (sight radius / 3600 = .0061). That is the amount of sight movement you need to move the impact 1 inch at 100 yards. So for every inch high you are you need to lower the rear sight .0061 or raise the front sight .0061.
My Mosin shot 8 inches high at 100 yards. I didn't want to modify the rifle which would make it illegal per the CMP Rules for the Vintage Military Rifle matches.
So I had to lower the rear sight .0488 inches. (.0061 X 8) I took the sight out of the rifle. (one pin) I turned it upside down in the milling machine vice. I then shaved .0488 off the bottom of the sliding part of the sight.
You can use a file, but be careful to stay level.
I put the sight back on the rifle and when set on the 100 yards mark (or what ever the Russians used, yards, meters, I dont know). it was right on at 100 yards. I set the sights at 200, again, it was on at 200, again at 300 and 400. 400 yards is as far as my back yard range would let me go, but I see no reason why it would work on any yard setting.
Simple no cost fix. Just be careful to keep the sight level while filling it down. Trail and error eliminates mistakes.
Another Fun Option, again without modifying the rifle is a scout set up.
This mount is attached by the same pin used to hold the sights on the Mosin. Meaning no modifications and the rear sight can be put back on the rilfe. It has set screws in the base that need to be lock tited to keep the base rigid but it works.
http://www.brownells.com/optics-moun...474-29484.aspx
I put this set up on my Mosin, adding a scope it makes if a fun, easier to shoot rifle. Then just pop out the sight pin, re-install the rear sight and your back to CMP legal
