The Lionheart Industries Regulus Alpha is a south korea-made double-action pistol chambered in 9mm Luger, introduced in 2020. Primary use: Competition, Home Defense. Type: Pistol Action: Double-Action Caliber: 9mm Luger Capacity: 15 Year introduced: 2020, South Korea Weight: 26 oz Overall length: 7.4" Status: Active Intended use: Competition, Home Defense