? Manufacturer: S&W 163415 Item: 26387 UPC: 022188634150 Specifications and features: S&W model 325PD revolver .45 ACP caliber 2-3/4" barrel 6 round capacity Internal lock safety Single/double-action Cocobolo wood grips Black finish Scandium alloy frame Titanium cylinder HiViz orange front and adjustable notch rear sights 21.5 oz. Smith & Wesson combined a scandium alloy frame with a titanium cylinder to build the strongest, and lightest weight .45 ACP revolver made. The result...maximum power in a small, lightweight, easy to carry package. The Model 325PD also includes Cocobolo wood grips and HiViz sights.