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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Caliber / Cartridge for new LR rig
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<blockquote data-quote="Bart B" data-source="post: 1158213" data-attributes="member: 5302"><p>OK. Consider the mechanics of cross winds. What's the cross wind speed at the maximum ordinate above LOS for a .338 Lap Mag zeroed at 1400 yards when it's measured at 1 foot above flat ground for the entire distance at 10 mph?</p><p></p><p>Depending on the cartridge selected, it will have different amounts of muzzle angle displacement from where it needs to be when the bullet exits depending on the recoil the round produces in the rifle before the bullet leaves. That's a big factor in how accurate the rifle can be shot. And that's a big factor in where the first shot goes down range aiming at anything; big game or golf balls. It's the reason the match winners went to the 6.5x.284 for long range matches fired with hand held rifles against ones shoulder; it's got a lot less barrel time recoil than the big 30 caliber magnums.</p></blockquote><p></p>
[QUOTE="Bart B, post: 1158213, member: 5302"] OK. Consider the mechanics of cross winds. What's the cross wind speed at the maximum ordinate above LOS for a .338 Lap Mag zeroed at 1400 yards when it's measured at 1 foot above flat ground for the entire distance at 10 mph? Depending on the cartridge selected, it will have different amounts of muzzle angle displacement from where it needs to be when the bullet exits depending on the recoil the round produces in the rifle before the bullet leaves. That's a big factor in how accurate the rifle can be shot. And that's a big factor in where the first shot goes down range aiming at anything; big game or golf balls. It's the reason the match winners went to the 6.5x.284 for long range matches fired with hand held rifles against ones shoulder; it's got a lot less barrel time recoil than the big 30 caliber magnums. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Caliber / Cartridge for new LR rig
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