Smith & Wesson 3913 Complete Specs and Full Gun Specifications

The 3900 series consists of a variety of 9mm Luger 'Third Generation' pistols derived from the Model 39 and 439, the so-called 'First Generation' and 'Second Generation' patterns. They all have single column magazines. These are double-action semi-autos utilizing the well-tried Browning locking mechanism and a Walther-style decocking safety lever on the rear left side of the slide.The 3900 series consists of a variety of 9mm Luger 'Third Generation' pistols derived from the Model 39 and 439, the so-called 'First Generation' and 'Second Generation' patterns. They all have single column magazines. These are double-action semi-autos utilizing the well-tried Browning locking mechanism and a Walther-style decocking safety lever on the rear left side of the slide.