IIRC - 'Parashooter' has displayed, a number of times, that the Krag bolt can be closed on a chambered .303 British round, with a bit of 'springing' of the cartridge case.

It is probably good that there is a bit of 'freebore' and that many Krag barrels are .309" across the grooves.

I got tired of looking at the redundant photos.

120 photographs! The man is either incompetent or an aspiring 'hand-model', (or both)!