Police Story (1985)

Police Story is a 1985 Hong Kong action movie directed by and starring Jackie Chan as Detective Chen Ka-kui. Chan would reprise this role in three sequels: Police Story 2, Police Story 3: Supercop, and Police Story 4: First Strike, and would "reboot" the franchise in a more serious tone with 2004's, New Police Story.
The following weapons were used in the film Police Story:

Smith & Wesson Model 10

A drug dealer is seen firing a Model 10 in the opening shootout in the slums. Apparently, RHKPF Detective Chen Ka-kui's (Jackie Chan) sidearm later changes to a Model 10 snubnose, when he is framed for murdering one of his corrupt fellow officers.

Smith & Wesson Model 10 Revolver - .38 Special

Smith & Wesson Model 10 Revolver (Marked Royal Hong Kong Police Issue) with Police Lanyard Ring - .38 Special

Smith & Wesson Model 10 snub nose revolver - .38 Special. Early Model

Smith & Wesson Model 36

Detective Chen Ka-kui (Jackie Chan) and other detectives fire their sidearms, the Smith & Wesson Model 36, during the opening shootout with drug dealers.

Smith and Wesson Model 36 - .38 special - 5 shot

Colt Python

A drug dealer fires a 6-inch barreled Colt Python at the police detectives during the opening shootout.

Colt Python with 6" Barrel - .357 Magnum

Browning Hi-Power

Apparently, Browning Hi-Powers are seen kept in the holsters of Detective Chen's senior officers.

Browning Hi-Power - 9x19mm.