Potentially dumb question re: 6BR/Dasher BTO

"HeysKSFirefighter

Banhammer
Banned !
Minuteman
Jan 16, 2011
4,145
2,632
Assholistan
Let's say you have two barrels - one chambered in 6BR, the other in 6 Dasher. Both barrels have the same freebore.

If you use the same bullet, would both cases have the same base to ogive measurement touching the lands?
 
Looks like it should be pretty close

1620594459954.png


1620594570285.png