Century Daewoo DP51C is a 9mm Parabellum semi-automatic pistol designed for law enforcement, defense, military, and recreational shooting. It is a lightweight service pistol with several novel features, including the ability to be fired in single-action, double-action, and "Fast-Action" modes. The "Fast-Action" mode allows the shooter to quickly and easily transition from double-action to single-action firing with a simple push of the hammer. The DP51C also features an ambidextrous manual safety and a passive firing pin safety for added security.