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Rifles, Reloading, Optics, Equipment
Reloading
Twist relation to accuracy/velocity node
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<blockquote data-quote="sedancowboy" data-source="post: 1819841" data-attributes="member: 85874"><p>Steve </p><p>RPM for a 1-9 twist @ 3000 fps would be 240,000 RPM 3000\.75 X 60 Secs=240,000 Where 9 twist is .75 Ft.</p><p>The twist rate should not have much effect on accuracy except in extremes high or low. If a Bullet is fully stabilized then it should be accurate as well. You can not over stabilize a bullet. Spinning the jacket off is another topic for another thread.</p><p>I shoot a lot of 223 to control gophers on our ranch and neighboring ranches. We load a max charge of CFE 223 and a 50gr V-Max all are 1-9 twist. We also shoot 220 Swift and load the 50gr V-Max in a 1-12 twist. The 40 gr is both a little short and light to my liking. I have had the best luck with 50-53 gr in .224 caliber.</p></blockquote><p></p>
[QUOTE="sedancowboy, post: 1819841, member: 85874"] Steve RPM for a 1-9 twist @ 3000 fps would be 240,000 RPM 3000\.75 X 60 Secs=240,000 Where 9 twist is .75 Ft. The twist rate should not have much effect on accuracy except in extremes high or low. If a Bullet is fully stabilized then it should be accurate as well. You can not over stabilize a bullet. Spinning the jacket off is another topic for another thread. I shoot a lot of 223 to control gophers on our ranch and neighboring ranches. We load a max charge of CFE 223 and a 50gr V-Max all are 1-9 twist. We also shoot 220 Swift and load the 50gr V-Max in a 1-12 twist. The 40 gr is both a little short and light to my liking. I have had the best luck with 50-53 gr in .224 caliber. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Twist relation to accuracy/velocity node
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