.22LR. 2.5" barrels. SN: 3615. Nickel finish, smooth hardwood grips. Four barrel, tilt down, double action only derringer with rotating firing pin, of the style used by Sharps in the mid-19th century. Action opens by depressing the rear sight which is attached to a T-shaped barrel catch. Front sight is a fixed blade. A sliding safety is present on the upper left of the frame which automatically engages when the action is closed. {MODERN}