The LifeCard .22LR / .22WMR by Trailblazer Firearms is only one-shot, folding handgun intended to match the size and width dimensions of a normal charge card (three.375″ × two.125″) with a thickness of roughly 0.5 https://folding22pistol125578.bloggadores.com/42228514/overview-with-the-lifecard-credit-card-gun