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Long Range Hunting & Shooting
what do you guys do?
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<blockquote data-quote="AZShooter" data-source="post: 958545" data-attributes="member: 5219"><p>I am also in Az and yesterday at the range it was 90 by 8:30. Even with multiple rifles there is a great deal of waiting. </p><p></p><p>I have used wet towels but found it too slow. I fashioned a CO2 system. The guys at Praxair were nice enough to help me try different regulators till I got one with enough flow. Add a rubber line with the tip tapered with a utility knife. </p><p></p><p>I try to get the barrel cooled close to ambient temps and have an infra red thermometer to monitor. I did extensive tests with a very accurate 30 BR. Cooled the barrel far below the ambient temperature, cooled to ambient etc and found no change in POI or accuracy. </p><p></p><p>If you don't have the luxury of trying different regulators you can drill out the orifice for the right flow. Several shooters have copied me including Dave Miller. </p><p></p><p>If you want to work up a load there is nothing faster except running cold water across the entire barrel. or dunking your barrel in a bucket of ice water.</p><p></p><p> I was at the range yesterday morning. I began shooting at 7:30. I shot 12 6mm-284 loads two at a time and shot 10 with a 7mm/375 two at a time and was driving away at 8:15. This includes removing target, chrono and all the bench gear into vehicle and signing out. </p><p></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: 958545, member: 5219"] I am also in Az and yesterday at the range it was 90 by 8:30. Even with multiple rifles there is a great deal of waiting. I have used wet towels but found it too slow. I fashioned a CO2 system. The guys at Praxair were nice enough to help me try different regulators till I got one with enough flow. Add a rubber line with the tip tapered with a utility knife. I try to get the barrel cooled close to ambient temps and have an infra red thermometer to monitor. I did extensive tests with a very accurate 30 BR. Cooled the barrel far below the ambient temperature, cooled to ambient etc and found no change in POI or accuracy. If you don't have the luxury of trying different regulators you can drill out the orifice for the right flow. Several shooters have copied me including Dave Miller. If you want to work up a load there is nothing faster except running cold water across the entire barrel. or dunking your barrel in a bucket of ice water. I was at the range yesterday morning. I began shooting at 7:30. I shot 12 6mm-284 loads two at a time and shot 10 with a 7mm/375 two at a time and was driving away at 8:15. This includes removing target, chrono and all the bench gear into vehicle and signing out. [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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