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Rifles, Reloading, Optics, Equipment
Reloading
220 swift twist rate recommendation
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<blockquote data-quote="Trickymissfit" data-source="post: 552289" data-attributes="member: 25383"><p>Savage does a twelve twist barrel in 22-250, and it will just barely stablize the 60 grain bullets as long as the BC isn't too high. So a ten twist ought do at least bullets with a .33 BC and maybe a touch higher. But if your looking at 68 grains and heavier bullets I'd be looking at a 1:8. The problem there is that it overstabalizes the lighter bullets causing groups to open up. Guess this is good reason to own two rifles.</p><p> </p><p>I shoot 1:14, 1:12, 1:9, and a 1:10 very soon. Things will vary a little bit with each twist rate, and sorta limits me in what I can do with that barrel. I've noticed that the faster twist barrels seem to foul a little quicker than the slower twist ones, and really the tightest grouping barrels are the slower twist ones for me. I've came to the conclusion that the perfect barrel for a .223 is a twelve twist when I take in the case capacity and what I can do with it. Yet I don't own a twelve twist .223! Have never shot a 22-250 with a nine twist barrel, but know others that do. Most all like the combo very well once the decide on a good load combo for it. I believe there are better case designs for rounds with velocities in these ranges and higher, and I've expounded on these many times in the past. Plus I believe that when you are talking 400+yards, you need to be looking at something in 24 caliber or higher. And really for hogs and deer (least wise the size of deer around here), you need to be thinking about something like a .257. A Russian boar with three inch tusks can be very unfriendly, and that's why I like 35's and bigger stuff on them (my favorite is a .444)</p><p> </p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 552289, member: 25383"] Savage does a twelve twist barrel in 22-250, and it will just barely stablize the 60 grain bullets as long as the BC isn't too high. So a ten twist ought do at least bullets with a .33 BC and maybe a touch higher. But if your looking at 68 grains and heavier bullets I'd be looking at a 1:8. The problem there is that it overstabalizes the lighter bullets causing groups to open up. Guess this is good reason to own two rifles. I shoot 1:14, 1:12, 1:9, and a 1:10 very soon. Things will vary a little bit with each twist rate, and sorta limits me in what I can do with that barrel. I've noticed that the faster twist barrels seem to foul a little quicker than the slower twist ones, and really the tightest grouping barrels are the slower twist ones for me. I've came to the conclusion that the perfect barrel for a .223 is a twelve twist when I take in the case capacity and what I can do with it. Yet I don't own a twelve twist .223! Have never shot a 22-250 with a nine twist barrel, but know others that do. Most all like the combo very well once the decide on a good load combo for it. I believe there are better case designs for rounds with velocities in these ranges and higher, and I've expounded on these many times in the past. Plus I believe that when you are talking 400+yards, you need to be looking at something in 24 caliber or higher. And really for hogs and deer (least wise the size of deer around here), you need to be thinking about something like a .257. A Russian boar with three inch tusks can be very unfriendly, and that's why I like 35's and bigger stuff on them (my favorite is a .444) gary [/QUOTE]
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220 swift twist rate recommendation
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