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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
243AI or 6mmAI m
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<blockquote data-quote="LRSickle" data-source="post: 516036" data-attributes="member: 18167"><p>I might be able to offer a little on this. I have a 6mm AI and "the little woman" just sold her 243 AI. Both shot H4350 with 90gr Berger Target jammed .010 into the lands and both had nearly the same amount down the tube. The only thing different was grains of powder. Since both guns shot well with the Bergers jammed .010. I was always checking the throat and chasing the lands so I kept track of throat erosion in each. With the exception of my 6.5x284, I don't seat at the lands so I don't often check my other guns. The 6mm's throat erosion at about 500+ rounds was .0065, the .243 was .004. So there is a difference but not enough that I would pick the .243AI over the 6mmAI. But then again, there's not a lot of performance difference between the two. </p><p>Besides, really, if you shoot a lot isn't a barrel a consumable product anyway. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="LRSickle, post: 516036, member: 18167"] I might be able to offer a little on this. I have a 6mm AI and "the little woman" just sold her 243 AI. Both shot H4350 with 90gr Berger Target jammed .010 into the lands and both had nearly the same amount down the tube. The only thing different was grains of powder. Since both guns shot well with the Bergers jammed .010. I was always checking the throat and chasing the lands so I kept track of throat erosion in each. With the exception of my 6.5x284, I don't seat at the lands so I don't often check my other guns. The 6mm's throat erosion at about 500+ rounds was .0065, the .243 was .004. So there is a difference but not enough that I would pick the .243AI over the 6mmAI. But then again, there's not a lot of performance difference between the two. Besides, really, if you shoot a lot isn't a barrel a consumable product anyway. :D [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
243AI or 6mmAI m
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