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Rifles, Reloading, Optics, Equipment
Reloading
Powder selection for RUMS
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<blockquote data-quote="Fiftydriver" data-source="post: 112268" data-attributes="member: 10"><p>Sambo3006,</p><p></p><p>Here are the burn rate of powders I recommend to my customers for each of the RUMS. These are general recommendations meaning any powder with similiar burn rates will perform equally as well.</p><p></p><p>7mm and 300 RUM</p><p>H-1000</p><p>RL-25</p><p>Retumbo</p><p></p><p>338 RUM</p><p>H-4831</p><p>Rl-22</p><p></p><p>375 RUM</p><p>H4350</p><p>H4831</p><p></p><p>These generally get about all the performance you can get out of these rounds with a good level of load density.</p><p></p><p>Retumbo is pretty slow for your 338 RUM, especially with a 225 gr pill. Look at some Rl-22 and see what happens. I suspect you will be suprised at the performance level you get and load densities will be a bit more powder friendly when seating bullets.</p><p></p><p>Even H-1000 is a bit on the slow side. With 250 and 300 gr pills it would work well but not a 225.</p><p></p><p>Retumbo seems to be one of "THE" powders for the 7mm RUM. 300 RUM as well.</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 112268, member: 10"] Sambo3006, Here are the burn rate of powders I recommend to my customers for each of the RUMS. These are general recommendations meaning any powder with similiar burn rates will perform equally as well. 7mm and 300 RUM H-1000 RL-25 Retumbo 338 RUM H-4831 Rl-22 375 RUM H4350 H4831 These generally get about all the performance you can get out of these rounds with a good level of load density. Retumbo is pretty slow for your 338 RUM, especially with a 225 gr pill. Look at some Rl-22 and see what happens. I suspect you will be suprised at the performance level you get and load densities will be a bit more powder friendly when seating bullets. Even H-1000 is a bit on the slow side. With 250 and 300 gr pills it would work well but not a 225. Retumbo seems to be one of "THE" powders for the 7mm RUM. 300 RUM as well. Kirby Allen(50) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Powder selection for RUMS
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