Caliber .44 six shot, single action. 9 inch round barrel, semi-octagonal to rear. Total length 15 1/2 inches. Weight 4 pounds 9 ounces. Steel backstrap, brass understrap. The back of the frame at its junction with the walnut grips is curved. The cylinder revolves to the right. Loading lever is held in place by a hook-shaped spring under the barrel.
Typical marking: on top barrel "ADDRESS SAML COLT NEW YORK CITY". On the barrel lug, on right side, over wedge screw "U.S. 1847". Company designation and number and such as "B COMPANY No. 102" usually stamped in five places: left side of barrel over wedge, left side of frame, on cylinder, on grip frame, and in front of trigger guard.