TiteGroup is a powder you really need to be careful with ....and I like it / and use it a lot ....but the min's and max's on a lot of handgun loads in the book are only 0.4 grains apart ...for TiteGroup.
You should never exceed the published minimums or maximums in the loading manuals ...
so you're smart to get this worked out ...so that you're dropping very precisely - using TiteGroup. I have not used an RSBS powder flow in years ...but yes, they were very finnicky ....and density, humidity, any static in the hopper ....all made a real big difference. Make sure you've wiped the hopper down with anti-static dryer sheets ....and if you see any powder sticking to the sides of the hopper ....dump it out / and wipe it again ...until that all goes away ...
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