Smith & Wesson 640 Revolver

DAO stands for Double Action Only. This means the hammer is enclosed and cannot be manually cocked; every trigger pull performs the full action of cocking and releasing the hammer, which is a common safety feature for concealed carry revolvers.

Yes, this revolver is chambered for both. You can use .357 Magnum for maximum power or .38 Special for lighter recoil and easier practice.

Moon clips allow you to load and unload all five rounds simultaneously, which significantly speeds up reloading compared to loading one cartridge at a time. They also help ensure reliable ejection of spent casings.

No, this specific Performance Center model does not feature an internal lock, which many shooters prefer for a cleaner aesthetic and simplified internal mechanism.

Yes, this model comes equipped with Dovetail Tritium front and rear night sights. Tritium is a self-illuminating material that provides a clear sight picture in low-light or dark environments without needing batteries.

The E-100 Cerakote is a high-performance ceramic coating designed to provide superior resistance against corrosion, abrasion, and chemicals, making it an excellent choice for a carry firearm exposed to the elements.