What kind of gun did Clint Eastwood use in High Plains Drifter?

Clint Eastwood's character, The Stranger, in High Plains Drifter doesn't use a specific gun throughout the film. Instead, he uses various firearms depending on the scene.

Here are some of the guns he uses:

* Colt Single Action Army .45 caliber: This is the most recognizable and common gun he uses.

* Smith & Wesson Model 3 Schofield .45 caliber: This gun is particularly noticeable in the scene where he shoots the saloon's mirror.

* Remington 1875 .45 caliber: This is another revolver he uses in some scenes.

He also appears to be carrying a Winchester Model 1873 lever-action rifle in some scenes, but he doesn't use it.

The variety of firearms used reflects the typical assortment of weapons commonly available in the American West during the late 1800s.