If you look at some of these examples of KB'd 1895s, it's pretty obvious where they let go. There is a weak spot at the chamber/receiver junction.
In the grand scheme of things, that probably is the 'best' place for a first point of failure, to keep bolts out of skulls.
https://www.google.com/search?hl=en...kaboom&imgrc=_&spf=1499189986100
