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Rifles, Reloading, Optics, Equipment
Reloading
SD how many rounds.
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<blockquote data-quote="col48" data-source="post: 108615" data-attributes="member: 5641"><p>hi all</p><p>how many rounds do you have to put through the chrono before you can get a reliable SD.</p><p></p><p>i did 3 bullets today,then it through it down with rain.</p><p>so i packed up.and i am out tomorrow if there is no rain.</p><p></p><p>on the 3 i put through my 243 AI shooting 95g VLD with 49.6g of n165.i got this reading.</p><p></p><p>pact chrono xp</p><p></p><p>high 3273.2 fps</p><p>low 3270.6 fps</p><p></p><p>SD 1.3 fps</p><p>CV 0.0%</p><p></p><p>mad 0.9 fps</p><p>CV 0.0%</p><p></p><p>av 3271.9 fps</p><p>es 2.6 fps</p><p></p><p>shot 1 3273.2 fps</p><p>shot 2 3270.6 fps</p><p>shot 3 3271.9 fps</p><p></p><p>and then like i say i had to run for cover.</p><p>so i am wondering how many should i load to get a good useful read out</p><p> thanks for all your continued help</p><p> Colin</p></blockquote><p></p>
[QUOTE="col48, post: 108615, member: 5641"] hi all how many rounds do you have to put through the chrono before you can get a reliable SD. i did 3 bullets today,then it through it down with rain. so i packed up.and i am out tomorrow if there is no rain. on the 3 i put through my 243 AI shooting 95g VLD with 49.6g of n165.i got this reading. pact chrono xp high 3273.2 fps low 3270.6 fps SD 1.3 fps CV 0.0% mad 0.9 fps CV 0.0% av 3271.9 fps es 2.6 fps shot 1 3273.2 fps shot 2 3270.6 fps shot 3 3271.9 fps and then like i say i had to run for cover. so i am wondering how many should i load to get a good useful read out thanks for all your continued help Colin [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
SD how many rounds.
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