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375 Supermag Loads
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WhiskeyCharlie
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April 4, 2016
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April 14, 2016 - 2:26 pm
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Hi , all

Just about ready to load some of this converted 30-30 brass.

1) I've fireformed the brass and trimmed a few to length (carefully with a tubing cutter). Think I will wait 'til I get a file trim die to do the rest.

2) Got the dies.

3) Got a # of H-110.

4) 245 gr. hard cast lead bullets sized .378 from Xtreme Brass due early next week.

5) I found data on sixguns.com:

.375 SuperMag

245 gr FP

H110

22.5 gr

1,575 fps

Given this info a starting load would be 20 gr. of the H-110. I think I'll give it a try. Work up to stated max. in half grain steps.

What say ye?

Warren

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