We just posted some data for the request for BD for the 135gr which not much was availible.
Speer #12 and #14 shows 12.0 grains for the 155gr Gold Dots @ 1291fps from a S&W1006.
I have some Hornady data showing 155 gr using 12.7 gr @ 1350 range of velocity.
Good luck and be safe!
NRA Life Member
BASS Life Member