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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What Grain is suitable for 1/15 twist if 308
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<blockquote data-quote="J E Custom" data-source="post: 1914301" data-attributes="member: 2736"><p>Here is my list of recommendations for twist. 308's are at the lower end of the .30 calibers so depending on load pressure and barrel length the twist rates can vary and it becomes a choice you have to make. I would recommended using the faster twist rates listed for your 308</p><p></p><p>My numbers are for the minimum to maximum twist rates depending on your intended use and choice of cartridges.</p><p></p><p>120 grain bullets need to have a 12 to 15 twist rate. </p><p>130 grain bullets need a 12 to 14'' twist.</p><p>140 grain bullets need a 11 to 13' twist.</p><p>150 grain bullets need a 10 to 12" twist.</p><p>160 grain bullets need a 9 to 11'' twist.</p><p>180 grain bullets need a 8 to 11 twist.</p><p>190 and up works best with a 8 to 10 twist.</p><p></p><p>These are general twist rates for best performance but some liberties can be taken depending on the circumstances.</p><p></p><p>Hope this helps.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1914301, member: 2736"] Here is my list of recommendations for twist. 308's are at the lower end of the .30 calibers so depending on load pressure and barrel length the twist rates can vary and it becomes a choice you have to make. I would recommended using the faster twist rates listed for your 308 My numbers are for the minimum to maximum twist rates depending on your intended use and choice of cartridges. 120 grain bullets need to have a 12 to 15 twist rate. 130 grain bullets need a 12 to 14'' twist. 140 grain bullets need a 11 to 13' twist. 150 grain bullets need a 10 to 12" twist. 160 grain bullets need a 9 to 11'' twist. 180 grain bullets need a 8 to 11 twist. 190 and up works best with a 8 to 10 twist. These are general twist rates for best performance but some liberties can be taken depending on the circumstances. Hope this helps. J E CUSTOM [/QUOTE]
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What Grain is suitable for 1/15 twist if 308
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