Here’s What You Need To Remember: As with all machine-pistols, the light weight of the 93R’s recoiling parts means that it boasts an extremely high rate of fire — more than 1,000 rounds per minute.

The machine-pistol was hardly a new concept when, in the 1970s, Italian gun-maker Beretta began developing the 93R, a sleek little weapon that practically spews bullets. Machine-pistols first appeared ...