JUST TO SHARE SOME INFO I GOT A CASE OF ELEPHANT2F&3F I SHOOT GOEX SO I RUN OUT GOT ELE. TO REPLACE IT LOADED MY 50 HATFIELD WITH 75 GRAINS OF 2F THEN AFTER 2ND SHOOT VERY HARD TO LOAD TRYED LUBE,PATCHS EVER THING I COULD THINK OF FINDLY TRYED 3F ELE.SHOOTS JUST FINE. I KNOW YOU CAN USE 2F FOR 50 CAL. AND UP BUT THIS OLD HATFIELD DOS,T LIKE IT HAVE ANY OF YOU FOLKS HAD EXP. WITH ELEPHANT POWDER I HAD GREAT RESULTS AFTER I CHANGED GRAINS AND POWDER IS CHEAPER MABEEEEEEE HA HA GEN JD