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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Sighting in questions ?? Need help !
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<blockquote data-quote="Buffalobob" data-source="post: 180286" data-attributes="member: 8"><p>On different days when I am getting my basic drop chart data gathered I always shoot one known distance such as 100 yards or the last distance I shot the time before. I will only shoot one or twice depending on how well I am familiar with the rifle. For a new (unknown) rifle I will certainly shoot at least two bullets. I prefer 100 yards as it establishes my base zero but I can accept other distances. This makes me 100 % sure and positive my drop data is sound and that I can patch together different days of data.</p><p></p><p>Well, I will not insult Shawn by implying that the rifle might change point of impact as the barrel warms up. However, as a creature of habit and being as I try not to cook my barrel the first first day I have it, I like at least 5 minutes between shots so that I am close to cold bore status. Also, once the chamber area gets hot I do not like the cartridge to be in the chamber more than 15 seconds to avoid heat transfer through the brass case to the powder. Nor do I like a warm case to go into a freezeing cold barrel and get cold. Mostly nowadays I do not hunt with a round in the chamber unless the range is going to be short.</p></blockquote><p></p>
[QUOTE="Buffalobob, post: 180286, member: 8"] On different days when I am getting my basic drop chart data gathered I always shoot one known distance such as 100 yards or the last distance I shot the time before. I will only shoot one or twice depending on how well I am familiar with the rifle. For a new (unknown) rifle I will certainly shoot at least two bullets. I prefer 100 yards as it establishes my base zero but I can accept other distances. This makes me 100 % sure and positive my drop data is sound and that I can patch together different days of data. Well, I will not insult Shawn by implying that the rifle might change point of impact as the barrel warms up. However, as a creature of habit and being as I try not to cook my barrel the first first day I have it, I like at least 5 minutes between shots so that I am close to cold bore status. Also, once the chamber area gets hot I do not like the cartridge to be in the chamber more than 15 seconds to avoid heat transfer through the brass case to the powder. Nor do I like a warm case to go into a freezeing cold barrel and get cold. Mostly nowadays I do not hunt with a round in the chamber unless the range is going to be short. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Sighting in questions ?? Need help !
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