Approximately 5,000 manufactured between 1853-1855 by Robbins & Lawrence of Windsor, Vermont, for Sharps before production shifted to the very similar Model 1853 in Hartford, Connecticut. This is the earliest Sharps Model with the distinctive "slanting breech" and is fitted with the lever hinge pin retaining spring mounted on the right rear of the forearm. The top of the barrel is marked "SHARP'S RIFLE/MANUFg CO./HARTFORD, CONN." behind the rear sight, the receiver upper tang is marked "C.SHARPS/PATENT/1848" followed by the serial number, and the lock is marked "C.SHARPS'/PATENT./1852." Brass blade front and ladder rear sight. Sling ring and saddle bar mounted on the left of the barrel band and receiver. Mounted with a smooth forearm and straight grip stock with brass patch box and carbine buttplate. Matching serial number "4741" marked on the receiver, breech block and bottom of the barrel.