The Model 325 Thunder Ranch is a Performance Center N-frame revolver chambered in .45 ACP using full-moon clips. Developed in collaboration with Clint Smith's Thunder Ranch shooting school, it features a scandium alloy frame, 4-inch barrel, and tuned action. One of the few production revolvers offering .45 ACP in a large-frame double-action. Type: Revolver Action: Double-Action Caliber: .45 ACP Capacity: 6 Year introduced: 2007, USA Weight: 28.8 oz Overall length: 9.5" Status: Discontinued Intended use: duty, competition, collector