25 x 222mag

04 February 2008, 05:13

KRyder

I have never of anyone doing this wildcat, but a suggestion - what you might do is to take load data for the 6 x 47 (6mm - 222 mag) and use starting loads for similar weight bullets. I have seen load data for the 6 x 47 in more than one load manual but don't have one of those handy right now.
Ken

04 February 2008, 08:23

ireload2

Several of the older Speer manuals and the older Sierra manual had data for the 6X47 with lighter bullets. The 6X47 was normall used with 14" twist barrel so there is no heavy bullet data for it. What bullet weight and rifling twist are you using?
BTW 55 grain .223 data is very close to 6X47 data for 70 and 75 grain bullets.

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