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Rifles, Reloading, Optics, Equipment
Reloading
Temperature Learning Experience
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<blockquote data-quote="Frank in the Laurels" data-source="post: 1211342" data-attributes="member: 8845"><p>Know the feeling well sir, it will drive you crazy in a hurry...living in the NE part of the USA I experience temps from -20 to 100 most years and in hunting season about 10-50 usually. The outside affects the rate of barrel cooling tremendously and group size. The only powders that I have experienced big differences in point of impact and group size are with ball powders...never use them any more as a result... I had a comp quality 22/250 built for bench rest groundhog matches at 200-300-500 yards under bench rest conditions, it loved WW 748 but shooting starts at 9:00 and cool and ended around 3:00, temps could be warm..poi change at 500 was half a foot or more...switched to 4064 and never had a single problem since...I would suggest H-4350 for rifles, I'_be switched all mine to it over temperature and cured their problems also with poi change..</p></blockquote><p></p>
[QUOTE="Frank in the Laurels, post: 1211342, member: 8845"] Know the feeling well sir, it will drive you crazy in a hurry...living in the NE part of the USA I experience temps from -20 to 100 most years and in hunting season about 10-50 usually. The outside affects the rate of barrel cooling tremendously and group size. The only powders that I have experienced big differences in point of impact and group size are with ball powders...never use them any more as a result... I had a comp quality 22/250 built for bench rest groundhog matches at 200-300-500 yards under bench rest conditions, it loved WW 748 but shooting starts at 9:00 and cool and ended around 3:00, temps could be warm..poi change at 500 was half a foot or more...switched to 4064 and never had a single problem since...I would suggest H-4350 for rifles, I'_be switched all mine to it over temperature and cured their problems also with poi change.. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Temperature Learning Experience
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