i have the senduro also in 7mm rum. I have tried the remington 140grn psp with RL-25 and also the swift sciroocco 150grn with RL-25.. I also use h-50bmg with both of these bullets and Im going by the 48th edition lyman book.. the 150 grn bullet ive loaded at 102.0 grains of h 50bmg and up to 104.5 grains. the RL-25 ive loaded the 140 psp around 85-90 grains . is there anyone else loading the 7mm rum and have loaded a good bit.. im looking for some other ppl who found good loads? my name is dave from pa hi everyone.