The Smith & Wesson Model 642 is a lightweight, compact J-Frame revolver chambered in .38 Special +P, perfect for concealed carry and personal defense. Featuring a 1.88-inch barrel and an aluminum alloy frame with a durable matte silver finish, this revolver balances power and portability. Known for its double-action-only operation, the Model 642 is easy to operate with no external hammer for a snag-free draw.