The "Major Power Factor" required by IPSC back in the 80's caused a lot of hand-loaders to maximize their loads. There were even a few attempting Major with a 9mm. There was a not too uncommon occurrence at match's back then caller "Superface" The splotches of powder etc. splattered all over a shooter from a 38 Super "major" load coming apart. Common sense prevailed after a few years and the Major Power Factor was lowered to a level that could be safely reached.

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H Richard
SWCA1967 SWHF244