The pistol Ben (Gary Grimes) shows off to Tim (Charles Martin Smith) at the beginning of the movie and later kills his first man with during the saloon shootout is a model 1858 Remington Army.
Ben Mockridge: I want to go with you, Mr. Culpepper. I ride real good and I can do a lot of things. I mean, I'll work at almost anything, Mr. Culpepper. I really want to go.