Primer brisance mostly depends on the length of the flame that leaps out of the flash-hole after the firing pin whacks the primer cup. Primers come in different strengths, technically known as “brisance,” a word defined as “the shattering effect of a high explosive.” Pertinent information will be added to this section when more information becomes available. Hopefully this explains a bit more about, not only primers in general, but specific characteristics that can aid a reloader in choosing the optimum sparkplug. Information from the Speer #14, Hornady #7, Nosler#6, and Lyman #49 reloading manuals, Alliant and Accurate Arms data.Īdditional Information from James Calhoon - "Primers and Pressure" Varmint Hunter Magazine, October, 1995 ![]() Taken from the following and posted by Frisco PeteĬHOOSING THE RIGHT PRIMER - A PRIMER ON PRIMERSīased on an article by John Barsness - GUNS magazine pg. ![]() While searching around for some info I stumbled on to this thread and its too good not to share.
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