Six-shooter

He drank a quart of whisky a day; was almost never drunk, but on rare occasions when the liquor fumes bested him he would invariably select a hapless victim and, whipping out the pair of mother-o’-pearl-handled six-shooters he always wore at his belt, would force him to dance by shooting at his feet—a pleasing fancy brought with him from Texas and the Cimarron.

Source: wiktionary

Five or six of them youngsters, weren’t but two of them upwards of twelve or thirteen, they outs with their six-shooters and had me covered.

Source: wiktionary