installed new to me 243ai barrel and used the ptg go guage, got everything snugged up and tried a fired full length sized piece of brass in it and can't get it to close. i checked thte dimensions of the brass and all seemed to be good. when brass is checked with the headspace guage i get 1.746, case length is 2.038.
also i could not get the correct dimensiions using the specified guage according to the hornady chart as they do not list the 243 ai, they show the "d" bushing to use for 243win but i went to the "a" bushing to get the correct dimensions. don't know if this is correct or not either.
if i haven't confused everyone so far, i want to know what to do so i can fire this thing to see how it shoots. thanks for the help.