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Old November 13, 2012, 08:27 AM   #48
Bart B.
Senior Member
 
Join Date: February 15, 2009
Posts: 3,823
I got that Hoppe's-STP formula from Martin Hull in the late 1960's. He was Sierra Bullets' first ballistic tech and later their ballistics lab manager who reloaded their cases used to test bullets for accuracy from the early 1950's to the mid 1980's. He was also one of the best high power match rifle competitors in the USA as well as in international long range matches.
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