This, coupled with the advent of the so-called "wonder nines", led to many U.S. police departments exchanging their revolvers for some form of 9mm semiautomatic handguns by the 1980s.
Ovo, spareno s pojavom tzv. "čudesnih devetki" je dovelo do toga da mnogi američki policijski odjeli razmjene svoje revolvere za neke poluautomatske pištolje kalibra 9mm do 80-ih.