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300 gr SMKs consistancy dropping out of Supersonic velocity...
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<blockquote data-quote="Fiftydriver" data-source="post: 214032" data-attributes="member: 10"><p>Tyler,</p><p> </p><p>The idea is a decent one but you would need to use a very fast twist rate to duplicate what would ACTUALLY happen with the larger magnums at long range.</p><p> </p><p>The reason, if you shoot a 300 gr SMK in a 1-10 twist at 3000 fps you will generate a certain RPM level.</p><p> </p><p>If you drop the muzzle velocity to 1300 fps in the same 1-10 twist, the bullets RPMs will be extremely low compared to the larger magnums. </p><p> </p><p>Even at long range, while the RPM rates have dropped some compared to the muzzle RPM levels, the decrease is very marginal.</p><p> </p><p>If you could get a fast twist barrel to match the RPM levels of the larger magnums, the test could have some usefullness.</p><p> </p><p>It would be a cleaver idea to test things out through.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 214032, member: 10"] Tyler, The idea is a decent one but you would need to use a very fast twist rate to duplicate what would ACTUALLY happen with the larger magnums at long range. The reason, if you shoot a 300 gr SMK in a 1-10 twist at 3000 fps you will generate a certain RPM level. If you drop the muzzle velocity to 1300 fps in the same 1-10 twist, the bullets RPMs will be extremely low compared to the larger magnums. Even at long range, while the RPM rates have dropped some compared to the muzzle RPM levels, the decrease is very marginal. If you could get a fast twist barrel to match the RPM levels of the larger magnums, the test could have some usefullness. It would be a cleaver idea to test things out through. [/QUOTE]
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300 gr SMKs consistancy dropping out of Supersonic velocity...
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