Origin of self-loader
Examples from the Web for self-loader
Pistol will then be fired deliberately 500 rounds as a self-loader, cooling after each 50 rounds.
After being hung up indoors for 22 hours, five shots will be fired into a sand butt, using pistol as a self-loader.
In both cases pistol should be used as a self-loader, and in the second the cartridge may be removed and wiped, then reloaded.