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Old 07-20-2004 | 12:13 PM
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oldelkhunter
Giant Nontypical
 
Joined: Feb 2003
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Default RE: reloading 300 short action ultra mag

I would go with a 180 partition for this cartridge. Good choices in powder would be Rel 22 and H4350 . I am willing to bet H4350 will be the best in that cartridge. Have you looked at www.shortmags.org..lots of load data there.
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