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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
max safe vel 300 rum 200 gr bullet?
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<blockquote data-quote="rufous" data-source="post: 24056" data-attributes="member: 122"><p>Thanks. That is right at where I thought, after using a formula by John Barsness. I figured RUM cases capacity at 112 grains and 300 Win Mag capacity at 90 grains. I shoot the 300 Win Mag and get 3000 fps from the 200 grain Nosler. Barsness said that velocity difference will likely be 25% of the case capacity difference. So since the RUM is 24% bigger in case capacity it should give 6% higher velocity which would be 3180 fps. Rufous.</p></blockquote><p></p>
[QUOTE="rufous, post: 24056, member: 122"] Thanks. That is right at where I thought, after using a formula by John Barsness. I figured RUM cases capacity at 112 grains and 300 Win Mag capacity at 90 grains. I shoot the 300 Win Mag and get 3000 fps from the 200 grain Nosler. Barsness said that velocity difference will likely be 25% of the case capacity difference. So since the RUM is 24% bigger in case capacity it should give 6% higher velocity which would be 3180 fps. Rufous. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
max safe vel 300 rum 200 gr bullet?
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