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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Win vs 300 RUM vs 30-378 Weatherby
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<blockquote data-quote="MontanaRifleman" data-source="post: 848198" data-attributes="member: 11717"><p>Gary,</p><p></p><p>You can't go by the manuals to know the true capabilities of a cartridge. I have loaded for the 300 WSM and the 300 RUM. The WSM (24 3/8ths barrel) could shoot a 180 gr bullet to 3000 fps with 67 gr of H4350. The RUM (26" barrel) could shoot the same bullet to 3400 fps with 98 gr of Retumbo.</p><p></p><p>Now, with RL17 I could boost the WSM velocity to 3200 fps bringing it much closer to the RUM.</p><p></p><p>With the development of RL33, the RUM will gain some efficiency. It should easily be able to push a 230 Hybrid to over 3100 fps. The 300 WM might be able to push a 215 gr bullet to 3000 fps in a 26" barrel with 75% of the powder. But the RUM is definitely going to reach farther and hit harder.</p><p></p><p>Yes, there is always going to be a loss of efficiency when stepping up in the same cal. The overall cost difference in shooting a 300 WM and a 300 RUM will be about $1.25 per shot vs $1.65 per shot including barrel cost.</p><p></p><p>If I was into the shooting game strictly for efficiency I would be shooting a 223 and 308 only. Ya gotta pay to play the game.</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 848198, member: 11717"] Gary, You can't go by the manuals to know the true capabilities of a cartridge. I have loaded for the 300 WSM and the 300 RUM. The WSM (24 3/8ths barrel) could shoot a 180 gr bullet to 3000 fps with 67 gr of H4350. The RUM (26" barrel) could shoot the same bullet to 3400 fps with 98 gr of Retumbo. Now, with RL17 I could boost the WSM velocity to 3200 fps bringing it much closer to the RUM. With the development of RL33, the RUM will gain some efficiency. It should easily be able to push a 230 Hybrid to over 3100 fps. The 300 WM might be able to push a 215 gr bullet to 3000 fps in a 26" barrel with 75% of the powder. But the RUM is definitely going to reach farther and hit harder. Yes, there is always going to be a loss of efficiency when stepping up in the same cal. The overall cost difference in shooting a 300 WM and a 300 RUM will be about $1.25 per shot vs $1.65 per shot including barrel cost. If I was into the shooting game strictly for efficiency I would be shooting a 223 and 308 only. Ya gotta pay to play the game. [/QUOTE]
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300 Win vs 300 RUM vs 30-378 Weatherby
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