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Rifles, Reloading, Optics, Equipment
Reloading
6.5-284 and Retumbo
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<blockquote data-quote="8andbait" data-source="post: 1262169" data-attributes="member: 40850"><p>I did a test last year with RL26 in a 6.5-06 AI. 58 grains with a 140 vld and 210M primer.</p><p></p><p>I took 3 rounds and put them in the freezer over night and left 3 rounds in my house.</p><p></p><p>Also left the rifle in the truck overnight and it was about 5 degrees.</p><p></p><p>The next morning I took the 3 out of the freezer and put them on ice in a cooler and took 3 warm rounds from the house and put those on the defroster of my truck as I drove to the range. </p><p></p><p>When I got to the range I put the frozen founds on the bench with the gun (it was between 5 and 10 degrees) went down and placed my target.</p><p></p><p>I left the truck running with the other 3 rounds on the defroster vent with the heat on high.</p><p></p><p>Then I shot the 3 frozen rounds, waited a minute or two so the rifle would be warm but not hot and shot the 3 heated rounds.</p><p></p><p>I had a 14 fps average difference between the frozen and heated rounds. POI was great also, no change. Only testing I did but the same test revealed a 100 fps difference in a 6.5 creedmoor with RL17 and Ramshot Hunter. </p><p> H4350 was about 10 fps if I remember correctly.</p><p></p><p>If I had to guess I would say the cold rounds were between 0 and 10 degrees and the heated rounds were between 85 and 90 degrees (they were very warm in my hand)</p><p></p><p>I will do a similar test in the 7 mag this winter and see how it works with more powder and a 215 primer.</p><p></p><p>Hope that helps a little.</p></blockquote><p></p>
[QUOTE="8andbait, post: 1262169, member: 40850"] I did a test last year with RL26 in a 6.5-06 AI. 58 grains with a 140 vld and 210M primer. I took 3 rounds and put them in the freezer over night and left 3 rounds in my house. Also left the rifle in the truck overnight and it was about 5 degrees. The next morning I took the 3 out of the freezer and put them on ice in a cooler and took 3 warm rounds from the house and put those on the defroster of my truck as I drove to the range. When I got to the range I put the frozen founds on the bench with the gun (it was between 5 and 10 degrees) went down and placed my target. I left the truck running with the other 3 rounds on the defroster vent with the heat on high. Then I shot the 3 frozen rounds, waited a minute or two so the rifle would be warm but not hot and shot the 3 heated rounds. I had a 14 fps average difference between the frozen and heated rounds. POI was great also, no change. Only testing I did but the same test revealed a 100 fps difference in a 6.5 creedmoor with RL17 and Ramshot Hunter. H4350 was about 10 fps if I remember correctly. If I had to guess I would say the cold rounds were between 0 and 10 degrees and the heated rounds were between 85 and 90 degrees (they were very warm in my hand) I will do a similar test in the 7 mag this winter and see how it works with more powder and a 215 primer. Hope that helps a little. [/QUOTE]
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Reloading
6.5-284 and Retumbo
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