Out of the approximately 950 Model 1839 Paterson carbines produced circa 1838 - 1841 roughly 706 were procured for martial use, with the lions share going to the U.S. Navy and the Republic of Texas. The carbine has 'improvements' consisting of a loading lever on the right side of the frame and round-back, six-shot, cylinder. The carbine has a distinctive, scroll-shaped trigger guard. The cartouched stock is varnished walnut with an iron buttplate. The cylinder, barrel and frame have matching serial numbers. The Colt Paterson Model 1839 Carbine was the most successful of the Colt Paterson firearms.