If ya want a 'Temp Insensitive' RL 15, and want to use an Alliant Powder, then try AR Comp.
No quit the same burn rate, but awfully close in the real world situations in the field.
"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC
“Owning guns is not a right. If it were a right, it would be in the Constitution.” ~Alexandria Ocasio Cortez
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