Normally OAL is specific to the gun and magazine. I have one CZ pistol needing a shorter OAL than my other pistols. I have not loaded a 100 grain bullet in 9 mm. I have loaded 115 grain bullets as long as 1.135 and know of some people that prefer 1.145". I have not loaded any bullets including 115 grain JHPs shorter than 1.080". You probably could use 1.050 through 1.120" without much of a problem.
You don't seem to have much room between minimum and maximum with that powder. I prefer powders with a wider spread between min and max load. It is easier to dial them in for me.
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