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Rifles, Reloading, Optics, Equipment
Reloading
6mm AI vs 243 AI
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<blockquote data-quote="britz" data-source="post: 203503" data-attributes="member: 7865"><p>The 6 AI has a slight advantage on power due to it's larger case capacity. However the 243 AI has an advatage on case availablity since you can easily get Lapua brass. You can neck down 7 x 57 lapua brass to get to the 6 AI but it takes more work. Both are going to be fairly hard on the barrel. The 6 AI will come close to 6-284 performace with better barrel life, it is a better designed case with a longer neck which helps throat wear on barrels. The 243 AI has an advantage in short action rifles because of the shorter case length. They both can give some problems in stagger stacked magazine fed repeaters due to the 40 degree shoulder.</p><p></p><p>Either one would perform well with 105 grain bullets and a 8 twist. However, I would venture to guess that you would probably get a few more accurate shots out of a 10 twist and lighter bullets due to the fact that fast twist barrels with slight throat wear tend to tear up bullets faster than slower twist barrels with ligher bullets and similar throat wear (This is just a thought, not tested or anything by me).</p></blockquote><p></p>
[QUOTE="britz, post: 203503, member: 7865"] The 6 AI has a slight advantage on power due to it's larger case capacity. However the 243 AI has an advatage on case availablity since you can easily get Lapua brass. You can neck down 7 x 57 lapua brass to get to the 6 AI but it takes more work. Both are going to be fairly hard on the barrel. The 6 AI will come close to 6-284 performace with better barrel life, it is a better designed case with a longer neck which helps throat wear on barrels. The 243 AI has an advantage in short action rifles because of the shorter case length. They both can give some problems in stagger stacked magazine fed repeaters due to the 40 degree shoulder. Either one would perform well with 105 grain bullets and a 8 twist. However, I would venture to guess that you would probably get a few more accurate shots out of a 10 twist and lighter bullets due to the fact that fast twist barrels with slight throat wear tend to tear up bullets faster than slower twist barrels with ligher bullets and similar throat wear (This is just a thought, not tested or anything by me). [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
6mm AI vs 243 AI
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