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Subject Topic: loading data for winchester 473AA & 540 Post ReplyPost New Topic
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jdtopper
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Joined: December 18 2006
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Posted: December 18 2006 at 3:37am | IP Logged Quote jdtopper

Where can I find reliable loading data for Winchester 473AA, 540 and 571 ball powders for use in popular handgun calibers? I have a quantity of each and would like to find loading tables for their use in handguns.
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Rocky Raab
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Posted: December 18 2006 at 7:50am | IP Logged Quote Rocky Raab

According to Hodgdon (and I have a letter from Chris Hodgdon to prove it):

W540 is HS6 (Same powder, different packaging)

W571 is HS7

There is not an exact match for the long-gone W473AA, but its burn rate is very close to Universal Clays. It is also a tad slower than SR7625. If you can find data for SR7625, you could use it as a start point.

Hope that helps.

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