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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cooper 280AI Chamber question.
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<blockquote data-quote="436" data-source="post: 1001070" data-attributes="member: 16609"><p>With a 168gr and 63grs of Retumbo, perhaps a long drop tube was used.. I looked into Ackley's book #1 I see where he has a 140gr with 63gr of IMR 4350... and has he get's to the 175gr with the same powder it drops to 58grs so I'm thinking 63grs of Retumbo with a 168gr bullet would have to be a very compressed load! with the bullet(s) set "way" the hell out there.</p><p>436</p></blockquote><p></p>
[QUOTE="436, post: 1001070, member: 16609"] With a 168gr and 63grs of Retumbo, perhaps a long drop tube was used.. I looked into Ackley's book #1 I see where he has a 140gr with 63gr of IMR 4350... and has he get's to the 175gr with the same powder it drops to 58grs so I'm thinking 63grs of Retumbo with a 168gr bullet would have to be a very compressed load! with the bullet(s) set "way" the hell out there. 436 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cooper 280AI Chamber question.
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