Quote:
Originally Posted by rockquarry
It would be necessary to research old data from a variety of sources for the best answer, but I suspect Winchester 540 shotgun powder gained popularity as a handgun cartridge powder under the Hodgdon HS-6 designation. Winchester data promoting 540 for handgun cartridges probably came later. Possibly the experts here would know if this is a correct summation.
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Thirty years ago when I got into shooting USPSA with a 38 super race gun 540 was very popular in my area to make major. I still use it in some cartridges but use CFE pistol in 38 super now. I’m not trying to make major and in an uncompensated 1911 it has a lot less flash than HS6. It’s still a great powder though.