Yes, and Rooster chided him for being overgunned. And Mattie shot the outlaw with either a Dragoon or Walker Colt. It sat her on her rear when she shot it, after using both hands to cock it.
There was a scene in Lonsesome Dove where Frank Duvall held off the Souix with a rifle, when they could not get in range with their weapons. "Gus" of course was in the Confederate Army earlier. Stan