Starting to work up some loads for my new 300 Rum while I’m waiting for it to come back from getting threaded. Was going to go with 200gr and 220gr Hornady ELD-X with H869 at first to see how it works but looking to see what others are loading and have been successful with.
300 RUM
- Thread starter lecki17
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Correct, the RUM is the parent cartridge of the 9.3, 375, 416, 458, 50 B&M, and the 500 MDM and 500 B&M, 458 B&M EX...... 50 B&M SA and 458 B&M SA... 10 of the B&M cartridges. I have also done a 358 RUM and 9.3 RUM.
But I have never loaded a 300 RUM........... I have no data on that........ Sorry............
But I have never loaded a 300 RUM........... I have no data on that........ Sorry............