Originally Posted by Crompsin

Criminals typically use cheap "illegal" or legal-but-stolen firearms to commit crimes. They use snub rose revolvers in .38 Special and throw-away automatics in .22, .25, .32 caliber. Pocket guns. Standard calibers like 9mm, .357 Mag, .40, and .45 are less common. The bigger and more expensive the gun, the less it is used to commit crimes. "Assault rifles" (and long guns in general) are almost never used for urban street crimes because they're too big to stuff into a hoodie. The use of cheap weapons means they can be disposed of without cutting into the profit margin of the douchebag who's selling drugs or whatever.