I'm no expert on loading .380, but I'd start with less TG with 105's. 3.0 is Hodgdon's max for 100's and those are jacketed.

YMMV

'Four legs good, two legs baaaad."
----------------------------------------------
"Jimmy, some of it's magic,
Some of it's tragic,
But I had a good life all the way."
(Jimmy Buffett)

SotG