Dirty Harry (character) AMP AutoMag built specifically for that film. In "Dirty Harry", he used a Winchester Model 70 bolt-action rifle in .458 Winchester Magnum for the night gunfight with the Scorpio Killer and used a switchblade during his second encounter with Scorpio. Harry also uses a Colt Python revolver to obtain ballistics evidence in "Magnum Force". Other weapons Callahan uses initially in the final climax of other films include a bomb, an M72 LAW rocket launcher and a harpoon gun. In "Dirty Harry" the San Francisco police chief comments on Callahan's fondness for overkill observing that he "likes an edge"; Callahan responds
Dirty Harry novels of the four first "Dirty Harry" films as tie-ins. Author and screenwriter Phillip Rock wrote the novelization of "Dirty Harry" in 1971, based on an early draft of the script. Mel Valley wrote the sequel, "Magnum Force", in 1973. Wesley Morgan novelized "The Enforcer" in 1976. The "Sudden Impact" novelization was written by Joseph Stinson, one of the screenwriters. Stinson, who had rewritten the originally independent script as a "Dirty Harry" vehicle for Eastwood, adapted the novel in 1983. Following "The Enforcer", Eastwood announced that he would not make any further "Dirty Harry" films (he eventually returned to the role