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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Build Thoughts
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<blockquote data-quote="Fiftydriver" data-source="post: 2665169" data-attributes="member: 10"><p>Not only that but advantage in usable bore length as well. Many feel short fat case designs are more efficent, there is some truth to that, however, most never consider the increased usable bore length. Does add some velocity potential as well. </p><p></p><p>you are correct in powder selection as well. Smaller rounds do better in shorter barrels because they have much higher expansion ratios and as such can use much faster burning powder. There are several powders for the 280 AI that will maintain velocities better in shorter barrel lengths. Added bonus, they also generally will reduce that fireball as well.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 2665169, member: 10"] Not only that but advantage in usable bore length as well. Many feel short fat case designs are more efficent, there is some truth to that, however, most never consider the increased usable bore length. Does add some velocity potential as well. you are correct in powder selection as well. Smaller rounds do better in shorter barrels because they have much higher expansion ratios and as such can use much faster burning powder. There are several powders for the 280 AI that will maintain velocities better in shorter barrel lengths. Added bonus, they also generally will reduce that fireball as well. [/QUOTE]
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