The LifeCard .22LR / .22WMR by Trailblazer Firearms is only one-shot, folding handgun created to match the size and width Proportions of a normal charge card (3.375″ × 2.125″) having a thickness of roughly 0.5 https://foldinggun22966906.blog5.net/98517592/overview-with-the-lifecard-credit-card-gun