Good luck finding HS-5, was my favorite 9mm powder till it was discontinued ~40 years ago forcing my conversion to Winchester 231.Although, if I had any HS5, an old Lyman manual shows 115gr. SWC loads at 1100fps. Pretty snappy for the old gal. As it is, I'll have to settle for about 1000 fps with some coated 100 gr SWCs, or who knows(?) with some PPU 71 gr HPs.