Smith & Wesson firearms are primarily manufactured in the United States. The company's main manufacturing facility is located in Springfield, Massachusetts. This location has a rich history and has been associated with the production of firearms for over a century. Smith & Wesson takes pride in its American heritage, focusing on quality craftsmanship and innovation in its manufacturing processes. In addition to the Springfield facility, Smith & Wesson has also established partnerships and collaborations with certain manufacturers for specific components and products, but the majority of assembling and quality control processes remain within the United States. For more detailed information about Smith & Wesson's facilities or specific manufacturing practices, one might find it helpful to visit their official website.