Can tubular rifle mags be dangerous?

[Owen]

The French had a tube fed bolt action service rifle for a while. The case head had an annular ring around the primer, for the bullet of the cartridge behind it to sit in.


The rifle was the Lebel M 1886, and the ammo was Balle-D

 

[Cap'n Jack Burntbeard]

I wouldn't worry so much about the primers igniting, but I would worry about them getting dented, which would cause a failure to fire.