Keltec.com 3. Trailblazer Lifecard: Folding Single-Shot .22 WMR Trailblazer Firearms offers what I would consider one of the smallest guns available today. The single-action LifeCard is a folding ...

The J-frame is the smallest revolver platform Smith & Wesson produces, most commonly known for its five-shot .38 Special and .357 Magnum chamberings. The 351 PD is about the same size, with the same ...