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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
270 Winchester, 6.5-06, or 25-06 Fast Twist Deer Rifle
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<blockquote data-quote="Calvin45" data-source="post: 2689961" data-attributes="member: 109862"><p>I too have shot woodleigh 180s out my 10 twist. 2600 fps with rl25. About 2.5 inch group at 100 yards, no keyholing but obviously not what the gun likes. But projectile length and I beleive bearing surface have more to do with stability than does weight. Not wanting to rain on anyone's parade so much as wanting to suggest the 165-170 grain high bc bullets will be a waste of money and performance in a 10 twist .270. Even if they "stabilize" as in don't keyhole and shoot "good enough" it's well demonstrated that bc plummets once stability is on that ragged edge. At which point a sleek 150 would probably have a higher real world bc out of your rifle and start out going faster as well. I could be dead wrong and of course it's your money, if you do this let us know how it works. But just because a flat base 180 with a ton of bearing surface stabilizes well enough doesn't guarantee any with a super slippery 165-170 grain long boat tail bullet with way less bearing surface. </p><p></p><p>Hawk makes a .30 cal 250 round nose that stabilizes just fine in a 10 twist .300 winny. The 250 hornady a tip is completely out of the question…</p></blockquote><p></p>
[QUOTE="Calvin45, post: 2689961, member: 109862"] I too have shot woodleigh 180s out my 10 twist. 2600 fps with rl25. About 2.5 inch group at 100 yards, no keyholing but obviously not what the gun likes. But projectile length and I beleive bearing surface have more to do with stability than does weight. Not wanting to rain on anyone’s parade so much as wanting to suggest the 165-170 grain high bc bullets will be a waste of money and performance in a 10 twist .270. Even if they “stabilize” as in don’t keyhole and shoot “good enough” it’s well demonstrated that bc plummets once stability is on that ragged edge. At which point a sleek 150 would probably have a higher real world bc out of your rifle and start out going faster as well. I could be dead wrong and of course it’s your money, if you do this let us know how it works. But just because a flat base 180 with a ton of bearing surface stabilizes well enough doesn’t guarantee any with a super slippery 165-170 grain long boat tail bullet with way less bearing surface. Hawk makes a .30 cal 250 round nose that stabilizes just fine in a 10 twist .300 winny. The 250 hornady a tip is completely out of the question… [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
270 Winchester, 6.5-06, or 25-06 Fast Twist Deer Rifle
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