The 9mm Defender shares the compact 3-inch aluminum frame of the .45 ACP version but chambers 9mm for improved feeding reliability in the short barrel length and higher capacity. Type: Semi-Auto Pistol Action: Single-Action Caliber: 9mm Capacity: 8 Year introduced: 2014, USA Weight: 22.5 oz Overall length: 6.75" Status: Active Intended use: Carry, Concealment