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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.270 Win Ackley Improved?
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<blockquote data-quote="Varminator 911" data-source="post: 195516" data-attributes="member: 9705"><p><strong>Don't know on velocity</strong></p><p></p><p>OK say you get somewhere and you use ammo with different bullet or velocity. You don't then know the trajectory. How are you going to shoot that very far? How are you even going to shoot it past 300yds even after a quick sight in? </p><p> </p><p>I have no experience with factory ammo in an AI chamber. Seems to me that the loss would be proportional to the difference in case capacity. Probably 100-200 fps or more. And factory ammo is often below advertised. So you might well be 200-400 fps below good handloads in 270AI for example.</p><p> </p><p>I'd never build a custom gun in an AI chamber and saddle myself with such restictions. But that's just me. In 7mm RM you could make up a pretty good load to match at least one factory load. Same bullet same velocity. That's workable to me.</p><p> </p><p>V911</p></blockquote><p></p>
[QUOTE="Varminator 911, post: 195516, member: 9705"] [b]Don't know on velocity[/b] OK say you get somewhere and you use ammo with different bullet or velocity. You don't then know the trajectory. How are you going to shoot that very far? How are you even going to shoot it past 300yds even after a quick sight in? I have no experience with factory ammo in an AI chamber. Seems to me that the loss would be proportional to the difference in case capacity. Probably 100-200 fps or more. And factory ammo is often below advertised. So you might well be 200-400 fps below good handloads in 270AI for example. I'd never build a custom gun in an AI chamber and saddle myself with such restictions. But that's just me. In 7mm RM you could make up a pretty good load to match at least one factory load. Same bullet same velocity. That's workable to me. V911 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.270 Win Ackley Improved?
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