use 4350 data and you'll be in the ball park...
hard to over pressurize a 22.250 with 4350 and those bullet weights...
should be the same for RL 17... but you won't get max velocity unless you are using 75 to 80 grain bullets.
"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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