The lightest American Derringer — an aluminum-alloy frame version of the Model 1 design. Weighs just 7.5 oz, designed for maximum pocket carry comfort. Type: Derringer Action: Break-Action Caliber: 22 LR Capacity: 2 Year introduced: 1986, USA Weight: 7.5 oz Overall length: 4.82" Status: Active Intended use: concealed carry