44 Magnum. Let’s run through the Dirty Harry movies and see what Callahan faces. ‘Dirty Harry’ (1971), the Start of Clint Eastwood’s Fictional Detective Career San Francisco is put on edge ...

Clint Eastwood returns as unstoppable cop Harry Callahan, on the trail of a group of vigilantes, with nothing but a .44 Magnum and a sneer. Brutal thriller.

portrayed by Clint Eastwood. Eastwood's character also helped popularize the .44 Magnum, as Harry Callahan is famously shown wielding his Smith & Wesson Model 29 revolver.