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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.300 Win Mag twist rate and barrel length?
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<blockquote data-quote="nkyshooter" data-source="post: 2159076" data-attributes="member: 83787"><p>I did a 26" 8 twist (5r) for my 30 Sherman Magnum barrel so I could shoot 250 A-Tips if I chose. If I were building a winmag, I'd go with 26" but 9 twist ... the smaller powder capacity of the cartridge means you'll likely not be shooting bullets that need faster than 9 twist. Exception to this might be if you are going to be shooting very heavy mono's ... then you might want to go to the 8.</p><p></p><p>If you are going with a 24", then even more the 9 twist as you will lose a bit of velocity with the shorter tube making the heavier bullets that much less desireable in it.</p><p></p><p>Cheers</p><p>T</p></blockquote><p></p>
[QUOTE="nkyshooter, post: 2159076, member: 83787"] I did a 26" 8 twist (5r) for my 30 Sherman Magnum barrel so I could shoot 250 A-Tips if I chose. If I were building a winmag, I'd go with 26" but 9 twist ... the smaller powder capacity of the cartridge means you'll likely not be shooting bullets that need faster than 9 twist. Exception to this might be if you are going to be shooting very heavy mono's ... then you might want to go to the 8. If you are going with a 24", then even more the 9 twist as you will lose a bit of velocity with the shorter tube making the heavier bullets that much less desireable in it. Cheers T [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.300 Win Mag twist rate and barrel length?
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