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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
270 win vs 280 ai
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<blockquote data-quote="Lefty7mmstw" data-source="post: 948170" data-attributes="member: 48043"><p>Why bother going ai imo. The 270 will hold nearly 70 grains of slow burning ball powder (yep, I've got some loaded with 69.5 gr. wc872 with a 130bonded at present) and over 60gr. of stick. You'll only get a few grains more powder in it after the ai job; that's a lot of cost to be "special". Use your 7mag's or step up to the 7stw or7rum if you want that extra bit of power. If you want more out of your standard bolt face consider a 338' 06 or 35 whelen.</p><p>The biggest gain you get when loading for the ai rounds is loading them hotter due to reduced bolt thrust. The 5% or less you get in extra case capacity will net you 2.5% or less actual speed increase.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 948170, member: 48043"] Why bother going ai imo. The 270 will hold nearly 70 grains of slow burning ball powder (yep, I've got some loaded with 69.5 gr. wc872 with a 130bonded at present) and over 60gr. of stick. You'll only get a few grains more powder in it after the ai job; that's a lot of cost to be "special". Use your 7mag's or step up to the 7stw or7rum if you want that extra bit of power. If you want more out of your standard bolt face consider a 338' 06 or 35 whelen. The biggest gain you get when loading for the ai rounds is loading them hotter due to reduced bolt thrust. The 5% or less you get in extra case capacity will net you 2.5% or less actual speed increase. [/QUOTE]
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270 win vs 280 ai
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