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[ARCHIVED THREAD] - Help with front sight height question.

Posted: 3/18/2014 4:04:58 PM EDT

I have an M&P pro 9mm 5". Sight radius of 7.125 shooting 124gr at 15 yards.

I am hitting 2.5" to 3" high with the 10-8 fiber optic front sight height .160"

Will the .180" front sight bring my group down 2.5"?

I should have ordered the recommended .160 to begin with but their site says that the .180 is sometimes needed with the longer barrel.

ETA: Fixed typos.

Posted: 3/18/2014 4:27:38 PM EDT

[#1]

This is a similar triangles question. Convert everything to inches.

.02/7.125=x/(15*36)

X=1.515"

It looks like a 0.20" sight would do a bit better if you hold center.

Posted: 3/18/2014 7:52:06 PM EDT

[#2]

For 3" low at 15 yards, you'd want a front sight .04" taller, so .200".

http://www.dawsonprecision.com/CategoryProductList.jsp?cat=SIGHTS+FRONT

Posted: 3/20/2014 2:43:23 PM EDT

[#3]

Quote History

Quoted:
For 3" low at 15 yards, you'd want a front sight .04" taller, so .200".

http://www.dawsonprecision.com/CategoryProductList.jsp?cat=SIGHTS+FRONT

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Yep got it guys thanks!

[ARCHIVED THREAD] - Help with front sight height question.

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[ARCHIVED THREAD] - Help with front sight height question.

[ARCHIVED THREAD] - Help with front sight height question.