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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Remington 700 SPS Varmint INFO & ADVICE
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<blockquote data-quote="davkrat" data-source="post: 152085" data-attributes="member: 6452"><p>It's not the weight of the bullets that is the actual problem with barrel twist and stabaliziation. The length of the bullet is what determines the stabalization requirements of the bullet. A bullet having a fixed diameter can only get longer in order to have more mass, therefore a heavier bullet tends to be a longer bullet. You can't compare a 52 grain this with a 55 grain that, they will probably be similar but not equal. The .277 130 grain BT and 150 grain Partition are almost identical in length. I assume that the .22-250 has that slow twist rate because of the higher velocities of the round compared to the smaller .22's. Unfortunately I think the Marketing hype dictates this one. You've got to push those little 40 grain pills to 4000fps in order to sell rifles I guess! In a fast twis barrel 4000fps would lead to too high of RPMs for the light bullets to handle and they blow up in flight. It's too bad the major manufacturers haven't caught on to the high BC slower velocity befefits at long range. Then again the average hunter probably just wants speed. I'll probably get one of the SPS just for fun. I don't have the funds to drop on full blown custom rifles, I like to get something that is usable at a fair cost and then work on them over time. Some of them I may never get done but I like knowing that if I start with a Rem 700, even a cheap bead blasted one, I can always have a new barrel put on and drop it into a nice stock. I guess I just won't be shooting any of those long VLD's out of my 1:14" SPS.</p></blockquote><p></p>
[QUOTE="davkrat, post: 152085, member: 6452"] It's not the weight of the bullets that is the actual problem with barrel twist and stabaliziation. The length of the bullet is what determines the stabalization requirements of the bullet. A bullet having a fixed diameter can only get longer in order to have more mass, therefore a heavier bullet tends to be a longer bullet. You can't compare a 52 grain this with a 55 grain that, they will probably be similar but not equal. The .277 130 grain BT and 150 grain Partition are almost identical in length. I assume that the .22-250 has that slow twist rate because of the higher velocities of the round compared to the smaller .22's. Unfortunately I think the Marketing hype dictates this one. You've got to push those little 40 grain pills to 4000fps in order to sell rifles I guess! In a fast twis barrel 4000fps would lead to too high of RPMs for the light bullets to handle and they blow up in flight. It's too bad the major manufacturers haven't caught on to the high BC slower velocity befefits at long range. Then again the average hunter probably just wants speed. I'll probably get one of the SPS just for fun. I don't have the funds to drop on full blown custom rifles, I like to get something that is usable at a fair cost and then work on them over time. Some of them I may never get done but I like knowing that if I start with a Rem 700, even a cheap bead blasted one, I can always have a new barrel put on and drop it into a nice stock. I guess I just won't be shooting any of those long VLD's out of my 1:14" SPS. [/QUOTE]
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Remington 700 SPS Varmint INFO & ADVICE
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