Originally Posted by angus-5024
color the tip of a dummy round (loaded long) and gently insert it into the chamber (if you go to hard the bullet will get stuck in the bore). the rifle will set the bullet to the land and the felt marker will tell you where the bullet is contacting the lands.
Very hillbilly way of doing it but it works for me.
True, but the OP was asking for that measurment...base to Ojive. All you can tell him is the OAL base to tip. You may well have the base to ojive lenght exactly where you want it, but you will need some sort of tool to measure base to ojive.