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280 or 280AI
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<blockquote data-quote="varmintH8R" data-source="post: 926655" data-attributes="member: 39801"><p>I don't disagree that 150fps makes a difference. I am stating that in my experience, I cannot achieve 150fps more with an AI relative to a standard 280 (assuming barrel length, relative heat of load, etc is the same). I am not a ballistician, that is just my experience. The extra 2.7 grains H2O capacity relating to 150fps more, IMO, is a difficult sell. I'm certainly willing to hear the experience of others.</p><p></p><p>In a quick look up,</p><p></p><p>280 = 62.9 grains H2O</p><p>280 AI = 65.6 grains H2O</p><p>7Mag = 75.0 grains H2O</p><p></p><p>Brandon</p></blockquote><p></p>
[QUOTE="varmintH8R, post: 926655, member: 39801"] I don't disagree that 150fps makes a difference. I am stating that in my experience, I cannot achieve 150fps more with an AI relative to a standard 280 (assuming barrel length, relative heat of load, etc is the same). I am not a ballistician, that is just my experience. The extra 2.7 grains H2O capacity relating to 150fps more, IMO, is a difficult sell. I'm certainly willing to hear the experience of others. In a quick look up, 280 = 62.9 grains H2O 280 AI = 65.6 grains H2O 7Mag = 75.0 grains H2O Brandon [/QUOTE]
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