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Rifles, Reloading, Optics, Equipment
Reloading
Efficiency question about guns....
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<blockquote data-quote="brentc" data-source="post: 1052973" data-attributes="member: 16938"><p>Not defending either choice here, I have both chamberings that you speak of, but you're comparing apples to oranges in a sense. On one hand you're comparing H1000 to a step slower burning powder, so naturally there is some imbalance. Also, that's alot of Retumbo for that bullet. If that's what he's running, it's abnormal. Most guys are running a touch below 90 grains of Retumbo with a 230 in the RUM which closes the gap a bit more. </p><p></p><p>My experience with both is that the RUM does in fact use more powder for performance but it's not as drastic as you think when comparing the same powder with the same bullet in each. Both of my 300s have an H1000 230 grain Berger load. My 26" 300 WM burns 74.0 grains of H1000 and nets 2730 fps and my RUM burns 85.2 grains of the same powder to get 2880 fps. If you do the math on my loads, the 300 WM gets 37 fps per grain and the RUM gets 33 fps per grain. So really, it comes down to performance. If you want (need) the extra 150-400 fps (depending on the load) with a 230 grain Berger, then the RUM is available.</p></blockquote><p></p>
[QUOTE="brentc, post: 1052973, member: 16938"] Not defending either choice here, I have both chamberings that you speak of, but you're comparing apples to oranges in a sense. On one hand you're comparing H1000 to a step slower burning powder, so naturally there is some imbalance. Also, that's alot of Retumbo for that bullet. If that's what he's running, it's abnormal. Most guys are running a touch below 90 grains of Retumbo with a 230 in the RUM which closes the gap a bit more. My experience with both is that the RUM does in fact use more powder for performance but it's not as drastic as you think when comparing the same powder with the same bullet in each. Both of my 300s have an H1000 230 grain Berger load. My 26" 300 WM burns 74.0 grains of H1000 and nets 2730 fps and my RUM burns 85.2 grains of the same powder to get 2880 fps. If you do the math on my loads, the 300 WM gets 37 fps per grain and the RUM gets 33 fps per grain. So really, it comes down to performance. If you want (need) the extra 150-400 fps (depending on the load) with a 230 grain Berger, then the RUM is available. [/QUOTE]
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Efficiency question about guns....
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