The copy of a 1988 letter from Hercules to the Old Westerner Scrounger indicates, in the 3rd paragraph, R205 is the same as N205, not MRP.

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BTW, you would probably have to go back to Speer #8 to find loading data for N205 and recommended loads may have changed since then.

Last edited by Paul5388; 12/12/07.
http://www.handloads.com/