Many first time gun buyers are not familiar with the derringer although it's a good option to consider for concealed carry, close-range shooting, and personal protection.
Derringers typically have 2 barrels one on top of the other and a hammer that reciprocates or changes from one to the other upon firing.
Most derringers are small enough to be concealed easily. They were originally designed to be used as a last ditch effort for personal protection. Because of their small size, derringers are usually found in calibers like 22-22 magnum – 32 long and short – 38 special – 45 acp. There are however derringers in larger calibers and also 410ga. The popularity of derringers has grown with the increase of legal concealed carry in many states.
Common derringer calibers are: