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Need help with fixed iron sights

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Need help with fixed iron sights Empty Need help with fixed iron sights

Post by PMcfall 11/4/2023, 7:39 pm

My Milspec groups 7" low at 25 yards.  My rear sight is .25" high, front sight is .22" high, distance between sights is 6.37".  What height rear sight do I need to get into the 10 ring?  It gives me a headache to think about it.  I know I could lower the front sight but I think I would rather replace the rear.
Thanks
Phil
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Post by Black_Talon 11/4/2023, 8:30 pm

https://www.dillonprecision.com/sight-correction-calculator.html
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Post by Rush223 11/4/2023, 9:02 pm

Per the referenced website the correction is approximately 0.050 removed from the front or added to the rear.  I think the rules state “As Issued” so be careful with what sight you insta. It should be very similar to what is currently installed. 

I would recommend shooting the gun some to ensure things wear in a little. My MilSpec actually lowered point of impact after shooting it some. Next try a heavier bullet to see if POI will raise. Finally determine the load you want to shoot and file the front sight down. 

Midway has a Colt rear sight that is 0.320 which will raise point of impact 10 inches. Then switch to lighter bullets and lighter load to lower POI

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Post by joem5636 11/5/2023, 2:36 am

Replace rear sight with an adjustable one?

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Post by PMcfall 11/5/2023, 6:34 am

thanks.  The formula was what I was looking for.
Phil
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