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Long Range Hunting & Shooting
30-06??
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<blockquote data-quote="jarnold37" data-source="post: 2137533" data-attributes="member: 29241"><p>Two things come to mind that may have a bearing on this subject. Ballistic coefficient and sectional density. To get a bullet to cut through the air and have a higher BC is not just in streamlining. It usually also considers length, resulting in a longer skinnier bullet. Thus the sectional density, which is the relationship of length to the diameter, is increased. To have high BC in a given bore diameter, the bullet needs to be longer and heavier which then usually requires more case capacity which means overbore and usually finicky to find good load. I said all that to say this. The 30-06 is a well balanced cartridge and is one of the best all around cartridges. Yes I have a 30 caliber gun that holds twice the powder of the 30-06 but it is finicky and is inefficient meaning overbore and diminishing returns as it takes a lot more powder and produces a small velocity increase in comparison. The 30-06 will shoot a 150 grain bullet approximately the same velocity the 25-06 shoots a 120 grain bullet. As old as it is it is a great cartridge. Now, how about that 308 Winchester...</p></blockquote><p></p>
[QUOTE="jarnold37, post: 2137533, member: 29241"] Two things come to mind that may have a bearing on this subject. Ballistic coefficient and sectional density. To get a bullet to cut through the air and have a higher BC is not just in streamlining. It usually also considers length, resulting in a longer skinnier bullet. Thus the sectional density, which is the relationship of length to the diameter, is increased. To have high BC in a given bore diameter, the bullet needs to be longer and heavier which then usually requires more case capacity which means overbore and usually finicky to find good load. I said all that to say this. The 30-06 is a well balanced cartridge and is one of the best all around cartridges. Yes I have a 30 caliber gun that holds twice the powder of the 30-06 but it is finicky and is inefficient meaning overbore and diminishing returns as it takes a lot more powder and produces a small velocity increase in comparison. The 30-06 will shoot a 150 grain bullet approximately the same velocity the 25-06 shoots a 120 grain bullet. As old as it is it is a great cartridge. Now, how about that 308 Winchester... [/QUOTE]
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