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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
260 to 6.5-284 - is it worth it???
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<blockquote data-quote="Trickymissfit" data-source="post: 963202" data-attributes="member: 25383"><p>when you look at the 6.5x55 improved, and just seems to be a good fit for a .264 bore. Kinda tells you just how much powder the bore can handle efficiently. A lot of guys claim to be getting a little over 3000fps with the 6.5-284, but nobody really knows the actual chamber pressure when quoting those velocities. I've even heard talk of 3100fps with a 140 grain bullet from time to time. Gotta be getting close to 65K psi or more. I do know that the 2900fps out of the 57mm improved case is for real and the chamber pressure is OK. Another one that has always caught me eye is the 6.5x250 improved case, but that should be pretty close to the 6.5x47.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 963202, member: 25383"] when you look at the 6.5x55 improved, and just seems to be a good fit for a .264 bore. Kinda tells you just how much powder the bore can handle efficiently. A lot of guys claim to be getting a little over 3000fps with the 6.5-284, but nobody really knows the actual chamber pressure when quoting those velocities. I've even heard talk of 3100fps with a 140 grain bullet from time to time. Gotta be getting close to 65K psi or more. I do know that the 2900fps out of the 57mm improved case is for real and the chamber pressure is OK. Another one that has always caught me eye is the 6.5x250 improved case, but that should be pretty close to the 6.5x47. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
260 to 6.5-284 - is it worth it???
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