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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
does an improved case really improve
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<blockquote data-quote="Lefty7mmstw" data-source="post: 2733877" data-attributes="member: 48043"><p>Most ai cartridges are a joke. Even the 280ai gets most of the gain from a throating change. They aren't more efficient either. Efficiency drops off as capacity goes up. The two things they offer is lower case stretch and lower bolt thrust. I'll go to a bigger cartridge or bigger bore every time and not molest my chamber.</p><p>As far as efficiency, the most efficient cartridge I shoot is my 35 Whelen... I'm pushing 220's around 2700 fps from a 30-06 case necked up. It'll make a lot of rifles envious accuracy wise too; it's regularly 1/2 moa with screamer groups coming in as low as .15 moa..</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 2733877, member: 48043"] Most ai cartridges are a joke. Even the 280ai gets most of the gain from a throating change. They aren't more efficient either. Efficiency drops off as capacity goes up. The two things they offer is lower case stretch and lower bolt thrust. I'll go to a bigger cartridge or bigger bore every time and not molest my chamber. As far as efficiency, the most efficient cartridge I shoot is my 35 Whelen... I'm pushing 220's around 2700 fps from a 30-06 case necked up. It'll make a lot of rifles envious accuracy wise too; it's regularly 1/2 moa with screamer groups coming in as low as .15 moa.. [/QUOTE]
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does an improved case really improve
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