The following weapons appear in the film Dragnet:

Dragnet (1987)

Handguns

Colt Python

Pep Streebeck (Tom Hanks)

Colt Python with 6" Barrel - .357 Magnum

Smith & Wesson Model 10

Sgt. Joe Friday (Dan Aykroyd)

Smith & Wesson Model 10 Revolver - .38 Special

Shotguns

Ithaca 37

Sgt. Joe Friday (Dan Aykroyd)

Ithaca Model 37 riot version - 12 Gauge

Remington 870

Remington 870 Police Magnum Riot Shotgun - 12 Gauge

Sub-Machine Guns

Uzi

IMI Uzi 9x19mm

Micro Uzi

Micro Uzi with 15 round magazine - 9x19mm

Assault Rifles

M16A1

M16A1 with 30 Round magazine - 5.56x45mm

Heckler & Koch HK91

HK91-A2 Rifle with Standard Stock Note lack of third position for automatic fire - 7.62x51mm NATO

Norinco Type 56

Norinco Type 56 (Imported into the U.S. as the Norinco AKS-47 or AKS-47 Sporter) - 7.62x39mm. Rather than having the underfolder pig sticker Bayonet assembly, this has the standard Bayonet lug underneath the gas block as the AKM and later variants.

Steyr AUG

Steyr AUG - Austrian Army Version 5.56x45mm