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9/22/2017 12:11:25 AM
Posted: 9/4/2005 10:46:38 AM EDT
Quick question. I have my AR sighted in with AIMpoint using 55gr XM193. I just picked up some high quality 62gr ammo. Will I see a big difference in the POI with the 62gr vs 55gr ammo?
Link Posted: 9/4/2005 11:07:37 AM EDT
I don't know how big it will be, but it will shoot to a different POA.

WIZZO
Link Posted: 9/4/2005 11:18:36 AM EDT
what twist rate do you have on your rifle? is it 20"?

hope this help:


more info here --> www.jimwardrip.com/firearms/556_Ballistics.htm
Link Posted: 9/4/2005 11:34:00 AM EDT
Thanks for the info and link. FWIW I have 16 bbl with 1/9 twist. I will look at the link and see what I can find. Any others input/experiecnces appreciated.
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