^^^+1 Hodgdon.com has: Hodgdon, Win., and IMR powder data listings.amazon.com
I just got a reloading set up for christmas and hodgdon.com has a virtual load manual online. Not sure if other powder companies offer the same.
Lyman here, too. Check through gun shows...you can pick them up for next to nothing lots of times. The data info doesn't change...only new stuff is added. So the info is accurate even in older ones.
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Hate to say this Jet, but this isn't really an accurate statement, if you go back over several editions of the manual, you can find major changes to some of the data. Some are the result of better testing processes, and others by changes to the propellent by the manufacturers. This is also one of the reasons data varies from source to source. Just like most people don't realize that Lee did very little testing for his manual, and it is mostly data from other sources, compiled into one reference book.
New powders, really need the newer manuals. Old antique powders needs data published as close as possible to the time period during which it was manufactured.
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Hate to say this Jet, but this isn't really an accurate statement, if you go back over several editions of the manual, you can find major changes to some of the data. Some are the result of better testing processes, and others by changes to the propellent by the manufacturers. This is also one of the reasons data varies from source to source. Just like most people don't realize that Lee did very little testing for his manual, and it is mostly data from other sources, compiled into one reference book.
New powders, really need the newer manuals. Old antique powders needs data published as close as possible to the time period during which it was manufactured.