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Hunting
Long Range Hunting & Shooting
300 wsm shorty
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<blockquote data-quote="comfisherman" data-source="post: 2891896" data-attributes="member: 8394"><p>My ardent belief is that burn rates are lost in the significant figures, xp hunter/ernie bishop surmise that the fastest long was the fastest short. About 15 years ago I tested the heck out of that in both the 270 short mag and seven Ultra Mag and could not find data that was meaningful to support different powders working better in a short barrel. There were slight changes to the fireball but not enough feet per second differentiation to get a statistician to call it anything but numerical noise. </p><p></p><p>What I did find is that the extreme ends of the bullet weight for caliber section lost a lot more feet per second per inch. So my shorties stay loaded in moderate for caliber bullets. This 300 wsm has a stash of 165-190 grain bullets, and correlating powders like imr 4350, ramshot hunter and rl17 . My last 300 wsm did beautiful things with 168 ballistic tips, going a tad longer hoping for good results with 190 accubond lrs.</p></blockquote><p></p>
[QUOTE="comfisherman, post: 2891896, member: 8394"] My ardent belief is that burn rates are lost in the significant figures, xp hunter/ernie bishop surmise that the fastest long was the fastest short. About 15 years ago I tested the heck out of that in both the 270 short mag and seven Ultra Mag and could not find data that was meaningful to support different powders working better in a short barrel. There were slight changes to the fireball but not enough feet per second differentiation to get a statistician to call it anything but numerical noise. What I did find is that the extreme ends of the bullet weight for caliber section lost a lot more feet per second per inch. So my shorties stay loaded in moderate for caliber bullets. This 300 wsm has a stash of 165-190 grain bullets, and correlating powders like imr 4350, ramshot hunter and rl17 . My last 300 wsm did beautiful things with 168 ballistic tips, going a tad longer hoping for good results with 190 accubond lrs. [/QUOTE]
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300 wsm shorty
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