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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
“My rifle shoots .2s and .3s” ... huh?
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<blockquote data-quote="Bart B" data-source="post: 1801427" data-attributes="member: 5302"><p>Then there's the issue that the barrel's vertical whip doesn't compensate for the muzzle velocity spread at some range. A rifle shoots a given load into a 1 MOA vertical spread at 1000 yards but a 2 MOA vertical spread at 600 yards.</p><p></p><p>Time to put a tuning weight on the barrel then adjust its muzzle axis vibration frequency to compensate for each range. All bullets must leave on the muzzle axis upswing so slower ones depart at correct higher angles than faster ones.</p></blockquote><p></p>
[QUOTE="Bart B, post: 1801427, member: 5302"] Then there's the issue that the barrel's vertical whip doesn't compensate for the muzzle velocity spread at some range. A rifle shoots a given load into a 1 MOA vertical spread at 1000 yards but a 2 MOA vertical spread at 600 yards. Time to put a tuning weight on the barrel then adjust its muzzle axis vibration frequency to compensate for each range. All bullets must leave on the muzzle axis upswing so slower ones depart at correct higher angles than faster ones. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
“My rifle shoots .2s and .3s” ... huh?
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