very nice website,maybe you can give some advice,last year i started of shooting gamebore mammoths 3" and did well,then decided to go to the 3 1/2 inch,different story until i found the leed,got it,then tried to convert to shootng homeload steel,"disaster"was all over the place,now gona go back to lead,i have had someone speak to the old owner of gambore and now have the ingrediants for the mamoth 3 1/2 inch,my plan is to get these into a three inch shell with a roll turnover as the 3 1/2 were hellish for jamming on ejection out of the port,any tips or help welcome