To Kill a Cop

For a Cop's Hide (Pour la peau d'un flic) (1981).

For a Cop's Hide (Pour la peau d'un flic) is a 1981 French crime movie starring Alain Delon as private eye Choucas.

The following weapons are seen in the movie For a Cop's Hide (Pour la peau d'un flic):

Revolvers

Unidentified revolver

Several police officers are armed with a revolver. Choucas (Alain Delon) got one of these revolvers in the scene with commissaire Madrier (Jacques Pisias) who tried to shoot him. In final scene Kasper (Xavier Depraz) is armed with a similar revolver.

The police officer has a holstered revolver on his belt.

Choucas (Alain Delon) with revolver taken from commissaire Madrier.

Choucas and Haymann (Michel Auclair) are looking at a collection of captured weapons: Browning Hi-Power "Type 73", Colt Combat Commander, Smith & Wesson Model 60 and police revolver taken from commissaire Madrier.

Kasper (Xavier Depraz) is threatening Choucas with his revolver.

Kasper is ready to take revenge for all their injuries made by Choucas.

Casper's revolver appears to be a Colt Diamondback with 4" barrel, note vented rib and small size.-Glade Taylor

Smith & Wesson Model 60

Choucas (Alain Delon) got a Smith & Wesson Model 60 revolver from one the criminals in the scene in abandoned house. He used it after he lost his Colt Combat Commander. In the final scene the revolver was taken from him by Kasper (Xavier Depraz). Later Professeur Bachhoffer (Jacques Rispal) used this revolver.

Classic Smith & Wesson Model 60 - .38 Special

Choucas and Haymann (Michel Auclair) are looking at a collection of captured weapons: Browning Hi-Power "Type 73", Colt Combat Commander, Smith & Wesson Model 60 and police revolver taken from commissaire Madrier.

You need a strong argument to answer my questions?

Yes, this is a strong argument.

The revolver in holster. Good view on the grip.

Choucas with revolver.

Professeur Bachhoffer (Jacques Rispal) is shooting.

Pistols

M1911-type

Choucas (Alain Delon) is seen in the opening scene with M1911-type pistol. It is most likely standart M1911A1.

World War II issued Colt M1911A1 Pistol - .45 ACP

Choucas (Alain Delon) is reloading his pistol.

The pistol and two clips in the case.

The Grips and barrel blushing suggest's this is a Colt Series 70-GladeTaylor

Colt Combat Commander

Kasper (Xavier Depraz) used Colt Combat Commander in several scenes until he was disarmed by Choucas (Alain Delon). Later Choucas used this pistol until he lost it in the car accident. This pistol look more like 9mm model but it is called .45 during the movie.

Colt Combat Commander - .45 ACP

Colt Combat Commander - 9mm

Kasper (Xavier Depraz) holds Choucas at gunpoint with his Colt Combat Commander.

Choucas (Alain Delon) disarmed Kasper.

Choucas with Colt Combat Commander.

Choucas and Kasper meet again. Now Commander is in Choucas' hand...

... and he holds Kasper at gunpoint.

Choucas and Haymann (Michel Auclair) are looking at a collection of captured weapons: Browning Hi-Power "Type 73", Colt Combat Commander, Smith & Wesson Model 60 and police revolver taken from commissaire Madrier.

Colt Combat Commander on the seat of Choucas' car.

Browning Hi-Power

Kasper (Xavier Depraz) used Browning Hi-Power "Type 73" after he lost his Colt Combat Commander. Then Kasper was disarmed by Choucas (Alain Delon) second time and Choucas added this pistol to his collection.

Browning Hi-Power "Type 73" - 9x19mm. These Hi-Powers feature elongated bushings different from Hi-Powers Made before 1973 and after the MK II Series.

Kasper (Xavier Depraz) is lying on the floor, beaten and disarmed. His Hi-Power is lying near.

Choucas and Haymann (Michel Auclair) are looking at a collection of captured weapons: Browning Hi-Power, Colt Combat Commander, Smith & Wesson Model 60 and police revolver taken from commissaire Madrier.

Unidentified pistol

Commissaire Chauffard (Jean-Pierre Darras) is seen with a pistol in one scene. It looks like 7.65mm Unique model C French pistol, but I'm not sure.

Commissaire Chauffard (Jean-Pierre Darras) aims Choucas with his pistol.

Next moment the pistol is in hands of Choucas (Alain Delon).

Other

12 Gauge Double Barreled Shotgun

Haymann (Michel Auclair) used double barreled shotgun in the scene in abandoned house.

Haymann (Michel Auclair) is entering.

Haymann after the shootout.