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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Can someone explain the big difference in velocity?
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<blockquote data-quote="winmag" data-source="post: 405519" data-attributes="member: 22166"><p>Was the chronny all the way in the shade? And was it set up at the same distance?how long were the bullets in the ''cooled chamber'' before you shot again? (first day vs 2nd day) depending on how long said ammo was in the chamber before you squeezed one off it can make a slight difference, but not that much I wouldnt think.</p><p>I always thought 4831 was extremely stable, so I doubt it would be that. Maybe a combination of all the issues above may give a slightly bigger variation than the usual e.s. (imo the usual being alot more than 4fps, but much less than the 64 fps)</p><p>Very strange that they avg 2942 the first time, and so much slower and such a large spread the second go round. 2848 (extrm low) How was the humidity when you loaded the first batch vs the second batch? Im just takin shots in the dark here. Very odd.</p></blockquote><p></p>
[QUOTE="winmag, post: 405519, member: 22166"] Was the chronny all the way in the shade? And was it set up at the same distance?how long were the bullets in the ''cooled chamber'' before you shot again? (first day vs 2nd day) depending on how long said ammo was in the chamber before you squeezed one off it can make a slight difference, but not that much I wouldnt think. I always thought 4831 was extremely stable, so I doubt it would be that. Maybe a combination of all the issues above may give a slightly bigger variation than the usual e.s. (imo the usual being alot more than 4fps, but much less than the 64 fps) Very strange that they avg 2942 the first time, and so much slower and such a large spread the second go round. 2848 (extrm low) How was the humidity when you loaded the first batch vs the second batch? Im just takin shots in the dark here. Very odd. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Can someone explain the big difference in velocity?
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