The most successful derringer ever made, produced for 98 years with over 150,000 units. The over-under double barrel gave two shots in a package small enough for vest pocket or muff carry. Type: Derringer Action: Double-Action Caliber: 41 Rimfire Capacity: 2 Year introduced: 1866, USA Weight: 11 oz Overall length: 4.9" Status: Discontinued Intended use: Concealed Carry, Self-Defense