Derringer Remington Over Under pistol, two-shot, 41 caliber rimfire. Round, rifled (pitted), stacked 7.5 cm barrels with "Remington Arms Co Ilion N.Y." markings. Spur trigger. Black ebonized grips with checkering. Remains of blued finish. Overall length: 12.5 cm A.B.E. Manufactured from 1866 in approximately 150,000 pieces.