The Bersa Thunder Pro .45 ACP is a full-size DA/SA pistol adapting the Thunder platform to .45 ACP with a widened grip frame and reinforced slide. It represents Bersa's largest-caliber semi-auto offering in the Thunder series, targeting buyers who prefer traditional calibers in a DA/SA pistol at below-premium pricing. Type: Semi-Auto Pistol Action: DA/SA Caliber: .45 ACP Capacity: 10 Year introduced: 2008, Argentina Weight: 33 oz Overall length: 7.75" Status: Active Intended use: Home Defense, Duty