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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
dope help
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<blockquote data-quote="Gray R" data-source="post: 1090282" data-attributes="member: 71342"><p>hey guys i just got done putting together my first real custom and i had some questions for yall. Its a 6.5x284 im running lapua brass 57 grains retumbo fed 215 primers and 140 grain vlds. the last two times i shot it for a group it went in the low 2s so the accuracy is there. my question is that i chronoed it and it read 2930 which seems about right. but when i ran my program for a 1200 yard shot using the 2930 velocity it was 9 minutes low. i used a current pressure level and a bc of 612. my question to you guys is which variable do i change to match drops so that i can get some first round hits? thanks for all the help</p></blockquote><p></p>
[QUOTE="Gray R, post: 1090282, member: 71342"] hey guys i just got done putting together my first real custom and i had some questions for yall. Its a 6.5x284 im running lapua brass 57 grains retumbo fed 215 primers and 140 grain vlds. the last two times i shot it for a group it went in the low 2s so the accuracy is there. my question is that i chronoed it and it read 2930 which seems about right. but when i ran my program for a 1200 yard shot using the 2930 velocity it was 9 minutes low. i used a current pressure level and a bc of 612. my question to you guys is which variable do i change to match drops so that i can get some first round hits? thanks for all the help [/QUOTE]
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