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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Duplicate 7-08 in a smaller bore?
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<blockquote data-quote="rbTanzan" data-source="post: 1705690" data-attributes="member: 53978"><p>PS: if you shoot the same weight bullet at the same velocity as the 7-08, you will have approximately the same recoil. To save on recoil it is best to go to a lighter weight bullet. Then even a slightly faster speed can still lower the recoil. The 6.5CM can shoot a lighter bullet than the 7-08 with similar or better BC. Even the 270 with a 129gn bullet will feel pretty similar to a 7-08 140gn at 2850. Here are their recoil energies, all assuming a very lightweight 7.2 pound rifle+scope set up:</p><p>6.5 CM 127gnLRX at 2825 (a max load), 600yd 1005 ft# impact, <strong> 13.5 foot pounds recoil</strong></p><p>270 Win 129gnLRV at 3100 (near max), 600yd 1295 ft# impact, <strong>18.7 foot pounds</strong></p><p>7-08 140gn TTSX at 2850 (heavy, not max) 600yd 995 ft# impact, <strong>16 foot pounds </strong></p><p><strong></strong></p><p>So you can weigh the advantages of impacts at 600yards versus recoil in a light 7.2 rifle.</p></blockquote><p></p>
[QUOTE="rbTanzan, post: 1705690, member: 53978"] PS: if you shoot the same weight bullet at the same velocity as the 7-08, you will have approximately the same recoil. To save on recoil it is best to go to a lighter weight bullet. Then even a slightly faster speed can still lower the recoil. The 6.5CM can shoot a lighter bullet than the 7-08 with similar or better BC. Even the 270 with a 129gn bullet will feel pretty similar to a 7-08 140gn at 2850. Here are their recoil energies, all assuming a very lightweight 7.2 pound rifle+scope set up: 6.5 CM 127gnLRX at 2825 (a max load), 600yd 1005 ft# impact, [B] 13.5 foot pounds recoil[/B] 270 Win 129gnLRV at 3100 (near max), 600yd 1295 ft# impact, [B]18.7 foot pounds[/B] 7-08 140gn TTSX at 2850 (heavy, not max) 600yd 995 ft# impact, [B]16 foot pounds [/B] So you can weigh the advantages of impacts at 600yards versus recoil in a light 7.2 rifle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Duplicate 7-08 in a smaller bore?
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