I have a stainless 300 Rum remmy it has a sporting barrel on it i was wandering what size threads i should use my problem is if i use the 5/8 is i wont have very much shoulder but i would like to keep it a standered fine thread i could drop down to a 9/16 but that will only increase shoulder dia. by .015 thou. per side pluse how much the barrel tappers up will this be enought shoulder thanks for your help also if anyone is willing to send mr some prints on a break i would really appreciate it i am going to make my own. Just would like a few guide lines to go by when i do this.any and all help is very much appreciated and i will be sure to take picks as i do the work if you guys would like.