This is a Pietta 1858 New Army with 8" octogon barrel. It is 44 cal cap and ball and comes with a conversion cylinder to fire 45 Colt ammo as well as a Triple K hip holster. All is like new in the box and fired conversion cylinder was fired 10 rounds, cap and ball cylinder never fired. Gun was thoroughly cleaned and put up. Pistol and conversion cylinder ship separately to your door. Thanks for looking.