Dan Wesson's ECO is the smallest pistol in the lineup, an Officer-length subcompact 1911 chambered in 9mm with an aluminum frame for minimal weight. Features a 3.5-inch barrel and flush-fit 7-round magazine, designed for deep concealment carry. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 7 Year introduced: 2015, USA Weight: 25 oz Overall length: 6.6" Status: Active Intended use: Concealed Carry, Personal Defense