TrailBlazer LifeCard Pistol-  .22 LR and .22 WMR- Barrett Brown or Green or Black- Aluminum Frame- Small/Compact- Easy to Use- Tip Up Barrel- Built in Storage for Shells.  A folding, single-shot .22 caliber pistol that’s no bigger than a stack of credit cards. At .5 inches thin and weighing less than 7 ounces, LifeCard will be the last gun you’ll leave behind. Corrosion Resistant Isonite® Steel / Hard Coat Anodized Aluminum. Will not fire when closed. 3.375'' x 2.125'' x 0.5''.