.44- or .50-caliber single-shot spur trigger pistol, with 4" or 6" barrels. Pivoting breech-block that moves to left for loading. Blued, case-hardened and stamped "Connecticut Arms & Manf. Co. Naubuc Conn. Patented Oct. 25, 1864". Only a few hundred manufactured. Produced between 1866 and 1868. NOTE: Add 40 percent for .50-caliber 6" barreled versions.