Abstract: The disclosure relates to a signal pistol which is furnished with a magazine for storing blank cartridges, which magazine can be transported by means of a transport latch arrangement. There is also disclosed an insert for shooting or firing of the signal rockets, which insert is in the form of a magazine slide, associated with the magazine, and having several bores. Each one of the bores communicates via a pertaining flash hole with a pertaining blank cartridge arranged in the magazine. The longitudinal axes of the bores extend at least substantially vertically or vertically slightly inclined forwardly. There can be provided two or more rows of bores in the magazine slide.