A 6-shot revolving rifle, chambered for .36-caliber percussion. Comes with 21", 24", 27" or 30" round barrel that is part octagonal where it joins the frame. Stock is walnut, with an oil- or varnish-finish. Frame, hammer and loading lever are case colored; rest of the metal blued. Hammer is on right side of frame. 1st Model has no fore-end and an oiling device is attached to the barrel underlug. Trigger guard has two spur-like projections in front and back of bow. Roll-engraved cylinder scene depicts a hunter shooting at five deer and is found only on this model. Standard stampings are "Colt's Pt./1856" and "Address S. Colt Hartford, Ct. U.S.A.".