The Smith & Wesson 640 PC is a compact and powerful double action-only revolver built for concealed carry, duty backup, and home defense. Chambered in both .357 Magnum and .38 Special, this revolver delivers versatile performance in a rugged platform. Finished in a sleek black Cerakote and built on a steel frame, the 640 PC combines durability, concealability, and Professional Center (PC) enhancements into a purpose-built defensive handgun.