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Rifles, Reloading, Optics, Equipment
Reloading
Testing loads in the heat of sumer
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<blockquote data-quote="AZShooter" data-source="post: 973357" data-attributes="member: 5219"><p>Testing at 80? Heck that is the temperature when we start. We often get into the mid 90s before we quit around 10 am. </p><p></p><p>If you use extreme powders it will help. I have used Varget in temps up to 103 and never saw a difference down to 30 degrees at the 200 yd range with a 22-250. </p><p></p><p>IMR 8208 XBR their description says: "The ballistics group at IMR has tested this powder from -40 to +165 degrees Fahrenheit with virtually no performance variation. " I use this in my 308 and am very happy. <a href="http://www.imrpowder.com/8208xbr.html" target="_blank">Untitled Document</a></p><p></p><p>Naturally I also test my loads in cooler temperatures to check the performance. I have a few rifles that aren't shot in the summer. </p><p></p><p>I have used wet rags, and even ran water over the barrel with synthetic stocked rifles. We used to have an refrigerated water fountain. Nothing was faster. </p><p></p><p>I have heard that running water through the barrel is a way that several gun writers used to do it. Rick Jamison used a hot water bottle hung high with a clamp on the hose which fits into the chamber. He would keep the bottle in an ice chest till he used it. All it took was a few patches through the bore and he would shoot again. </p><p></p><p>I currently use a CO2 tank.</p><p><a href="http://s206.photobucket.com/user/RossLeggett/media/PIcsofournew257weatherbychamberedrifles6-07002_zps44bde149.jpg.html" target="_blank"><img src="http://i206.photobucket.com/albums/bb4/RossLeggett/PIcsofournew257weatherbychamberedrifles6-07002_zps44bde149.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p></blockquote><p></p>
[QUOTE="AZShooter, post: 973357, member: 5219"] Testing at 80? Heck that is the temperature when we start. We often get into the mid 90s before we quit around 10 am. If you use extreme powders it will help. I have used Varget in temps up to 103 and never saw a difference down to 30 degrees at the 200 yd range with a 22-250. IMR 8208 XBR their description says: "The ballistics group at IMR has tested this powder from -40 to +165 degrees Fahrenheit with virtually no performance variation. " I use this in my 308 and am very happy. [url=http://www.imrpowder.com/8208xbr.html]Untitled Document[/url] Naturally I also test my loads in cooler temperatures to check the performance. I have a few rifles that aren't shot in the summer. I have used wet rags, and even ran water over the barrel with synthetic stocked rifles. We used to have an refrigerated water fountain. Nothing was faster. I have heard that running water through the barrel is a way that several gun writers used to do it. Rick Jamison used a hot water bottle hung high with a clamp on the hose which fits into the chamber. He would keep the bottle in an ice chest till he used it. All it took was a few patches through the bore and he would shoot again. I currently use a CO2 tank. [URL=http://s206.photobucket.com/user/RossLeggett/media/PIcsofournew257weatherbychamberedrifles6-07002_zps44bde149.jpg.html][IMG]http://i206.photobucket.com/albums/bb4/RossLeggett/PIcsofournew257weatherbychamberedrifles6-07002_zps44bde149.jpg[/IMG][/URL] [/QUOTE]
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Reloading
Testing loads in the heat of sumer
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