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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Temperature effects
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<blockquote data-quote="Bravo 4" data-source="post: 1921271" data-attributes="member: 8873"><p>Keep control of your ammo's temp in the summer, in other works don't let it heat up. Then just worry about the difference in environmentals between the two seasons, summer and fall. Then poi difference will probably only be a couple inches at that range, with about any modern cartridge. 500 yards seems like a long ways out, but it takes a substantial amount of environmental changes to amount to anything worth stressing over...especially if talking big game. The rifle's precision & shooter's accuracy potential or not shooting consistent ammo can/will play as much or more havoc on probability of a hit at that range than a swing in temp. Compound any of those factors together and you are going to start having problems. I usually just take some blue scotch tape and make a BDC turret off what my ballistic app says with what a middle temp for the day will be. That way you may be off a click or so (inch here and there) throughout the entire day, more than likely you can use this for an extended period of time...like a hunting season.</p></blockquote><p></p>
[QUOTE="Bravo 4, post: 1921271, member: 8873"] Keep control of your ammo’s temp in the summer, in other works don’t let it heat up. Then just worry about the difference in environmentals between the two seasons, summer and fall. Then poi difference will probably only be a couple inches at that range, with about any modern cartridge. 500 yards seems like a long ways out, but it takes a substantial amount of environmental changes to amount to anything worth stressing over...especially if talking big game. The rifle’s precision & shooter’s accuracy potential or not shooting consistent ammo can/will play as much or more havoc on probability of a hit at that range than a swing in temp. Compound any of those factors together and you are going to start having problems. I usually just take some blue scotch tape and make a BDC turret off what my ballistic app says with what a middle temp for the day will be. That way you may be off a click or so (inch here and there) throughout the entire day, more than likely you can use this for an extended period of time...like a hunting season. [/QUOTE]
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Temperature effects
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