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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger 257 cal 135 gr LRHT
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<blockquote data-quote="VLD Pilot" data-source="post: 2096093" data-attributes="member: 103947"><p>I remember my first 6.5-284. It was a 8.5 twist barrel. At the time, everyone stated that it was perfect. Today, it's too slow to stabilize most of the heaviest bullets available. Today my 6.5-284 barrels are 7.5 twist. Barrels aren't that expensive but I'd prefer a little faster barrel than one on the slower side. I don't own a .25 caliber rifle yet as mine isn't quite finished yet. I built it on a 7.5 twist barrel. I built it for heavier bullets but it will still run lighter bullets fine. The 110s will be around 315,000 rpms. The 7 twist barrel will run the 120-135 bullets ok. Don't run the lighter bullets at light speeds and you should be fine. My 22-250 AI runs 80s at 3550 in an 8 twist barrel. It's even faster than 315,000 rpms. Never lost a bullet from spin rate being too fast. If the .257 caliber takes hold and sees followers increase, even heavier bullets will start showing up and that 7 twist barrel will be more common for all the cartridges in .257.</p></blockquote><p></p>
[QUOTE="VLD Pilot, post: 2096093, member: 103947"] I remember my first 6.5-284. It was a 8.5 twist barrel. At the time, everyone stated that it was perfect. Today, it's too slow to stabilize most of the heaviest bullets available. Today my 6.5-284 barrels are 7.5 twist. Barrels aren't that expensive but I'd prefer a little faster barrel than one on the slower side. I don't own a .25 caliber rifle yet as mine isn't quite finished yet. I built it on a 7.5 twist barrel. I built it for heavier bullets but it will still run lighter bullets fine. The 110s will be around 315,000 rpms. The 7 twist barrel will run the 120-135 bullets ok. Don't run the lighter bullets at light speeds and you should be fine. My 22-250 AI runs 80s at 3550 in an 8 twist barrel. It's even faster than 315,000 rpms. Never lost a bullet from spin rate being too fast. If the .257 caliber takes hold and sees followers increase, even heavier bullets will start showing up and that 7 twist barrel will be more common for all the cartridges in .257. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger 257 cal 135 gr LRHT
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