Dirty Harry's gun is supposedly a Smith & Wesson Model 29 revolver, chambered for a .44 Magnum cartridge. In the film, the gun is shown as being capable of sending assailants flying through the air, even when shot from a distance, however, in reality the gun does not produce such dramatic results. Additionally, the .44 Magnum round is not considered to be a practical caliber for urban police force use due to recoil (which makes target re-acquisition difficult) and over-penetration issues, which greatly increases the likelihood of the bullet going through its target and injuring bystanders. The actual gun used on set by Clint Eastwood was reportedly not a Smith & Wesson Model 29. According to a story circulated by a member of the studio's prop department, Smith & Wesson did not have a Model 29 in stock at the time, and so a Smith & Wesson Model 57 chambered for a .41 Magnum cartridge was used. The Model 29 and Model 57 are identical except for minute differences in bore size, chamber dimensions, and exterior markings, none of which are visible in the film.
Error creating thumbnail: File missing"Halt!" Insp. Harry Callahan levels his Smith & Wesson on robbers. It was hard to get a shot where he didn't look bad because he has a mouthful of hotdog.Error creating thumbnail: File missingInsp. Callahan checks his leg wound after being hit by a shotgun's birdshot. What's funny is that there are no holes in his pants and the "blood" appears to be red paint.Error creating thumbnail: File missing"I know what you're thinking. 'Did he fire six shots or only five?' Well, to tell the truth, in all this excitement, I've kinda lost track myself. But being as this is a .44 Magnum, the most powerful handgun in the world and would blow your head clean off, you better ask yourself one question: 'Do I feel lucky?' Well, do ya punk?" One should note that even in the 1970s, the .44 Remington Magnum cartridge had been eclipsed in size and power by the .454 Casull round, however, the first widely available commercially sold revolver chambered for the 454 Casull would not come for another ten years, so his statement for the time frame is accurate.Error creating thumbnail: File missingClose up of Callahan's Smith & Wesson.Error creating thumbnail: File missingCallahan shows the punk he had indeed fired six shots. But due to continuity error, he cocks the hammer, but the alternate angle shows him pull the trigger in double action.Error creating thumbnail: File missingCallahan aims his Smith & Wesson at the Scorpio Killer in the football field.Error creating thumbnail: File missingCallahan lowers his Smith & Wesson when Scorpio holds a little boy hostage but swings it back up to wound him and release the boy.Error creating thumbnail: File missingScorpio staring down the muzzle of Callahan's Smith & Wesson.Error creating thumbnail: File missingCallahan repeats his famous line as Scorpio tries to decide if he had fired six shots, or only five.
Winchester Model 70
A Winchester Model 70 chambered in .458 Winchester Magnum is used by Insp. "Dirty" Harry Callahan (Clint Eastwood) in a failed attempt to kill the Scorpio Killer (Andrew Robinson) on the rooftops over looking the church.
Error creating thumbnail: File missingScreen used Winchester Model 70 chambered in .458 Winchester Magnum. This is the screen used rifle carried and fired by Clint Eastwood in the film.Error creating thumbnail: File missingOne of the police patrolling the rooftops to find the Scorpio killer is seen using what appears to be a standard Winchester Model 70 in .30-06.Error creating thumbnail: File missingCallahan is presented the .458 Magnum Model 70, which is said capable of killing an elephant. For someone like Callahan, this is an obvious choice since "overkill" is pretty much his middle name.Error creating thumbnail: File missingCallahan fires the Model 70 at the Scorpio killer. This gun's maximum capacity is 3+1 yet he manages to fire off six shots in total without reloading.Error creating thumbnail: File missingCallahan takes cover while holding the Model 70.
Winchester Model 12
The Bank Robber at the start of the film, being played by Albert Popwell (who would play four separate roles in the Dirty Harry series) wounds Insp. Callahan (Clint Eastwood) with a shot from his Winchester Model 12, but is dissarmed of the weapon during the famous "Do I feel lucky?" scene.
One of the robbers during the opening scene tries to shoot at Insp. Callahan (Clint Eastwood) with an unknown snub nose but is ultimately added to his body count.
Police patrolling the rooftops for the Scorpio Killer (Andrew Robinson) are seen with unknown revolvers in their holsters.
SFPD have unknown revolvers in their holsters.
Colt Detective Special
Insp. Chico Gonzalez (Reni Santoni) is seen using what appears to be a Colt Detective Special as his sidearm in the film, but both scenes when he fires it take place in almost complete darkness.
The Scorpio Killer (Andrew Robinson) carries an MP40 submachine gun in the same rifle case as his sniper rifle, along with some spare magazines. He uses it to shoot at Insp. Callahan (Clint Eastwood) and Insp. Chico Gonzalez (Reni Santoni) on during the shootout on the rooftops. Later he fires it at Insp. Gonzales during the fight at the base of the Mt. Davidson Cross.
The Liquor Store Owner (James Nolan) shows the Scorpio Killer (Andrew Robinson) his Walther P38 pistol, which he brags he used to stop several attempted robberies. Unfortunately for him Scorpio hits him with a liquor bottle and takes the gun from him, and carries it up to the climax of the film.
The Scorpio Killer (Andrew Robinson) uses an 7.7mm Arisaka Type 02 Paratrooper Takedown rifle as his weapon of choice to kill random people in San Francisco. The rifle is fitted with a Hiram Maxim 1900's style suppressor, and rechambered in .30-06. The rifle is also placed in a sporting style stock.
(Note: Many Arisaka Battle rifles were 'sporterized' in the decades after World War II. For several decades after WW2, the Arisaka rifle was cheap and had no collector value. The value of the Imperial weapons skyrocketed in the 1990s. It is ironic that someone sporterized a 7.7mm paratrooper take down rifle, since now it is one of the rarest and most valuable battle rifles of World War II. An unmodified version is worth thousands of dollars. The sporterized version as seen in the movie is relatively worthless from a collector standpoint).
Error creating thumbnail: File missingCallahan finds a "thirty-ought-six" shell casing on the roof. When snipers use bolt action guns, they usually don't eject the spent shell and reveal crucial ballistic evidence, although it is assumed he leaves the shell casing intentionally as a taunt to the police.