The Kahr PM45 packs .45 ACP into a micro-compact polymer frame. At just 5+1 capacity and under 20 oz, it is one of the smallest .45 ACP carry pistols made. Type: Semi-Auto Pistol Action: DAO Caliber: .45 ACP Capacity: 5 Year introduced: 2007, USA Weight: 18.5 oz Overall length: 5.79" Status: Active Intended use: Concealed Carry