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45/70 for large bear... ammo?
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<blockquote data-quote="Dean2" data-source="post: 2199035" data-attributes="member: 26077"><p>The effect of speed on incapacitation u are referring to is typically called Hydrostatic shock. That effect does not happen with projectiles trraveling less than 2500 FPS. It is why Roy Weatherby built the beast of cartridge that is the 460 Weatherby Magnum. I own one in a left hand action MKV. It produces awesome recoil, it is the only rifle I own that has a brake on it. Despite all the roaring, flame and drama it does not kill any faster than my 45-70 and I have shot a lot of bears with both. I have also shot bears with a 45-70 loaded from1100 FPS to 2000. I can tell you from experience the sweat spot is 1400-1500 fps for quick kills, reasonably flat trajectory, at least by 45-70 standards, and quick second shot recovery. My favourite load is a Hornady 350 grain RN over 3031 powder at 1500 fps.</p><p></p><p>5 quick shots at 100 yards over the hood of the truck.</p><p></p><p><img src="https://i.imgur.com/HnJE62nl.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>3 shots, same 350 grain Horn RN traveling quite a bit faster. Accuracy is still fine.</p><p></p><p><img src="https://i.imgur.com/l1NNAA1l.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Dean2, post: 2199035, member: 26077"] The effect of speed on incapacitation u are referring to is typically called Hydrostatic shock. That effect does not happen with projectiles trraveling less than 2500 FPS. It is why Roy Weatherby built the beast of cartridge that is the 460 Weatherby Magnum. I own one in a left hand action MKV. It produces awesome recoil, it is the only rifle I own that has a brake on it. Despite all the roaring, flame and drama it does not kill any faster than my 45-70 and I have shot a lot of bears with both. I have also shot bears with a 45-70 loaded from1100 FPS to 2000. I can tell you from experience the sweat spot is 1400-1500 fps for quick kills, reasonably flat trajectory, at least by 45-70 standards, and quick second shot recovery. My favourite load is a Hornady 350 grain RN over 3031 powder at 1500 fps. 5 quick shots at 100 yards over the hood of the truck. [IMG]https://i.imgur.com/HnJE62nl.jpg[/IMG] 3 shots, same 350 grain Horn RN traveling quite a bit faster. Accuracy is still fine. [IMG]https://i.imgur.com/l1NNAA1l.jpg[/IMG] [/QUOTE]
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45/70 for large bear... ammo?
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