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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="Calvin45" data-source="post: 1815536" data-attributes="member: 109862"><p>I'm also not a 7mm lover but I have no good reason besides having had a 270 first. But if I'm being rational, objective, not sentimental, the 7mm is a much better choice today than the .270 because the crippling 1:10 twist rate that dictates there are no true high B.C. 270 bullets that can be used in standard off the shelf inexpensive rifles that hold a candle to what the 7mms have. There's nothing magical about .007 of an inch difference, but that twist rate gets the final say. And if I'm being honest I think anything a big 30 can do ballistically a big 7 can do with a lot less recoil while still being big enough (the difference to my perception of effectiveness between .26 and .28 bores is much greater than the real world difference between 28 and 30s - if I had to start all over I'd probably do the logical thing and get a big 7 of some kind - but I've grown very attached to my .270 win and .300 win mag so that's not gonna happen!)</p></blockquote><p></p>
[QUOTE="Calvin45, post: 1815536, member: 109862"] I’m also not a 7mm lover but I have no good reason besides having had a 270 first. But if I’m being rational, objective, not sentimental, the 7mm is a much better choice today than the .270 because the crippling 1:10 twist rate that dictates there are no true high B.C. 270 bullets that can be used in standard off the shelf inexpensive rifles that hold a candle to what the 7mms have. There’s nothing magical about .007 of an inch difference, but that twist rate gets the final say. And if I’m being honest I think anything a big 30 can do ballistically a big 7 can do with a lot less recoil while still being big enough (the difference to my perception of effectiveness between .26 and .28 bores is much greater than the real world difference between 28 and 30s - if I had to start all over I’d probably do the logical thing and get a big 7 of some kind - but I’ve grown very attached to my .270 win and .300 win mag so that’s not gonna happen!) [/QUOTE]
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