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Long throats?
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<blockquote data-quote="J E Custom" data-source="post: 333201" data-attributes="member: 2736"><p>In order to impress the shooting public , More velocity was nessary .And with more</p><p>velocity comes more pressure . So they went with more free-bore to safely get the velocity</p><p>and sell the "New Calibers".</p><p></p><p>Roy Weatherby did this many years ago and sold a lot of rifles.</p><p></p><p>Free-bore is not the enemy. Poor chambers,Barrels,head-space and stock fit contribute more to </p><p>inaccuracy than any thing else.</p><p></p><p>There are a lot more rifles being built with free-bore that most know about (And the rifle</p><p>manufactures are not going to tell so only the re loader is going to know.</p><p></p><p>If they built quality rifles it would not be a problem and that's why most won't give an</p><p>accuracy guarantee.</p><p></p><p>The best example that I know of would be to chamber a 30/378 with a short throat (Little or</p><p>no free bore) and try to shoot factory 30/378 ammo in it . Most of the time it will blow the</p><p>primer (Not good) in perfectly safe ammo if fired in a SAAMI 30/378 chamber with "Lots of</p><p>free bore".</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 333201, member: 2736"] In order to impress the shooting public , More velocity was nessary .And with more velocity comes more pressure . So they went with more free-bore to safely get the velocity and sell the "New Calibers". Roy Weatherby did this many years ago and sold a lot of rifles. Free-bore is not the enemy. Poor chambers,Barrels,head-space and stock fit contribute more to inaccuracy than any thing else. There are a lot more rifles being built with free-bore that most know about (And the rifle manufactures are not going to tell so only the re loader is going to know. If they built quality rifles it would not be a problem and that's why most won't give an accuracy guarantee. The best example that I know of would be to chamber a 30/378 with a short throat (Little or no free bore) and try to shoot factory 30/378 ammo in it . Most of the time it will blow the primer (Not good) in perfectly safe ammo if fired in a SAAMI 30/378 chamber with "Lots of free bore". J E CUSTOM [/QUOTE]
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