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The Range
Rifle & Shotgun Discussion
308 better than 30-06?
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<blockquote data-quote="338Shooter" data-source="post: 1161372" data-attributes="member: 3449"><p>To the bold part...no way.</p><p></p><p>The 30-06 is the parent case for 308 win. basically the same case that is able to hold about 3 more grains of Varget. </p><p></p><p>Lets see some data to support the second part. I shoot 25 WSSM and that is just hype they use to sell those. The advantage to the shorter case is a shorter action. This can mean a stiffer more rigid platform for the gun, but most accuracy comes from the barrel. If the chamber and crown are tip top, you're gonna have a tack driver no matter what the case is as long as the ammo is quality and consistent. When Ackley improves rounds, he does it to get more case capacity. That steep freakin shoulder doesn't help with function that's for sure. That's basically what it boils down to is case capacity. Trajectory comes from BC and velocity. You try your damndest to increase both. Accuracy comes from the barrel.</p><p></p><p>Similarly set up precision rifles chambered in -06 and 308 will perform similarly in the hands of a competent marksman. The -06 will have to come up less than the 308 because of the increased velocity, but they will both print nicely when they get there. The -06 loses in recoil. The increase in recoil is much more than the increase in velocity. The 308 gets the job done, but is underbore. Similar case capacity rounds in 6mm, 6.5mm, and 7mm perform better out to range.</p><p></p><p>My $0.02.</p></blockquote><p></p>
[QUOTE="338Shooter, post: 1161372, member: 3449"] To the bold part...no way. The 30-06 is the parent case for 308 win. basically the same case that is able to hold about 3 more grains of Varget. Lets see some data to support the second part. I shoot 25 WSSM and that is just hype they use to sell those. The advantage to the shorter case is a shorter action. This can mean a stiffer more rigid platform for the gun, but most accuracy comes from the barrel. If the chamber and crown are tip top, you're gonna have a tack driver no matter what the case is as long as the ammo is quality and consistent. When Ackley improves rounds, he does it to get more case capacity. That steep freakin shoulder doesn't help with function that's for sure. That's basically what it boils down to is case capacity. Trajectory comes from BC and velocity. You try your damndest to increase both. Accuracy comes from the barrel. Similarly set up precision rifles chambered in -06 and 308 will perform similarly in the hands of a competent marksman. The -06 will have to come up less than the 308 because of the increased velocity, but they will both print nicely when they get there. The -06 loses in recoil. The increase in recoil is much more than the increase in velocity. The 308 gets the job done, but is underbore. Similar case capacity rounds in 6mm, 6.5mm, and 7mm perform better out to range. My $0.02. [/QUOTE]
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