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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.224 100 grain wildcats 7 twist No Go
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<blockquote data-quote="brianwinzor" data-source="post: 127283" data-attributes="member: 1067"><p>That report does seem strange and also confusing, as I seem to recall Kirby getting good accuracy in his 7 twist barrel at velocities up to 3,100 fps. Have you measured the twist to make sure that it is in fact a 7 twist?</p><p></p><p>I just did the maths, and 3,000 fps in a 7 twist barrel produces 308,571 rpm, and in a 6.5 twist barrel it produces 332,307 rpm. </p><p></p><p>Perhaps my 6.5 twist Krieger may be the right choice for my forthcoming .224 Clark. I was beginning to wonder if I had been too conservative in my choice of twist. Regards, Brian.</p></blockquote><p></p>
[QUOTE="brianwinzor, post: 127283, member: 1067"] That report does seem strange and also confusing, as I seem to recall Kirby getting good accuracy in his 7 twist barrel at velocities up to 3,100 fps. Have you measured the twist to make sure that it is in fact a 7 twist? I just did the maths, and 3,000 fps in a 7 twist barrel produces 308,571 rpm, and in a 6.5 twist barrel it produces 332,307 rpm. Perhaps my 6.5 twist Krieger may be the right choice for my forthcoming .224 Clark. I was beginning to wonder if I had been too conservative in my choice of twist. Regards, Brian. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.224 100 grain wildcats 7 twist No Go
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