I shoot the Lee 310 truncated cone in both of mine, 4" and 6" with no issues. Use your own discression on your load data.mebe007 said:right right. i basically want to know what my 629 can handle? ive heard some say the smiths are weak. i basically am trying to find the perfect mold for my 629. i want to know what i can deal with. i understand that i need to safely work up my loads checking for pressure signs etc.