The French Connection

Guns seen in this movie:

Colt Detective Special

Gene Hackman, in his role of Jimmi "Popeye" Doyle carries in an ankle holster a pre-1972 version of the Colt Detective Special

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Gene Hackman carries a Colt Detective Special in "The French Connection"

Colt Gold Cup National Match

Marcel Bozzuffi uses an adjustable-sights 1911-type pistol, that looks like a Colt Gold Cup

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Smith & Wesson Model 10

Roy Scheider uses a 2"-barrel S&W revolver as his service gun. It seems to be a "Military & Police" (later known as the Model 10) (it looks too large to be one of the early versions of the Chief's Special, with square butt).

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Roy Scheider carries a S&W model 10 in "The French Connection"

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Roy Scheider carries a S&W model 10 in "The French Connection"

Winchester Model 1897

During the final shootout, Roy Scheider uses a Winchester Model 1897 Shotgun

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Roy Scheider uses a Winchester model 1897 Shotgun in "The French Connection"

Beretta Model 70

During the final shootout, the bad guys use several Colt and Smith & Wesson snub-nose revolvers, but we can also see, briefly, a Beretta Model 70 (lower left corner of the pic)

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