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Long Range Hunting & Shooting
When Is There Too Much Wind?
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<blockquote data-quote="bwaites" data-source="post: 183157" data-attributes="member: 8733"><p>Wow, 700 yards with 7.62x39?</p><p> </p><p>Using a 130 grain bullet at 2500 fps, which is probably a little higher than typical speed for most guns chambered in 7.62x39, you have 246 inches of drop at 700 yards, and 187 inches of drift in a 20MPH wind.</p><p> </p><p>Even if you bump it to 2700fps you have 207 and 171 respectively. </p><p> </p><p>Keeping a shot on a 20x30 is shooting with that bullet!!</p><p> </p><p>If you went to something heavier and longer, say a 165 grain Boat Tail, you still have 184 inches of drop and 113 inches of drift. That's 15 feet of drop and 9.5 feet of drift with a bullet that won't fit most 7.62x39 magazines, at least to my knowledge.</p><p> </p><p>She was doing some serious shooting with that cartridge, but the 130 grain only has 300 foot pounds of energy left, and the 165 only has 645 at that range.</p><p> </p><p>Not enough energy and WAY too much drop/drift to be comfortable for me!!</p><p> </p><p>Bill</p></blockquote><p></p>
[QUOTE="bwaites, post: 183157, member: 8733"] Wow, 700 yards with 7.62x39? Using a 130 grain bullet at 2500 fps, which is probably a little higher than typical speed for most guns chambered in 7.62x39, you have 246 inches of drop at 700 yards, and 187 inches of drift in a 20MPH wind. Even if you bump it to 2700fps you have 207 and 171 respectively. Keeping a shot on a 20x30 is shooting with that bullet!! If you went to something heavier and longer, say a 165 grain Boat Tail, you still have 184 inches of drop and 113 inches of drift. That's 15 feet of drop and 9.5 feet of drift with a bullet that won't fit most 7.62x39 magazines, at least to my knowledge. She was doing some serious shooting with that cartridge, but the 130 grain only has 300 foot pounds of energy left, and the 165 only has 645 at that range. Not enough energy and WAY too much drop/drift to be comfortable for me!! Bill [/QUOTE]
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When Is There Too Much Wind?
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