 The First Model Ring Lever rifle was Samuel Colt's first manufactured firearm, and was followed shortly thereafter in late 1837 by the introduction of the Colt Paterson pistol.The First Model remained in production until 1838, with a total of about 200 firearms manufactured (serial numbers 1 through 200).In 1838, the Second Model Ring Lever rifle began production and continued until 1841, with a total of about 500 manufactured (serial numbers 1 through 500).