Converting a 12.7x44R (CF) to .50 Government (General)

by Mårten Wigardt @, Sunday, June 21, 2015, 13:43 (1877 days ago) @ Orin

I use a specially ordered steel mould from a Danish company, took 4 tries to get it right. The bullet is a 450 grain minié type with 5 grease groves. I'm going to put a cardboard/grease cookie in my next batch to see how that affects precision and if it facilitates cleaning. I'm a bit concerned as to how this will affect the hollow base expansion. But that's what black powder is all about, isn't it? Trial and error and trying not to blow oneself up.

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