357. Revolvers with flat mainsprings need to have a metallic framework to anchor one finish, even though the opposite contacts the hammer. This framework frequently forms the primary shape from the handgrip, to which the stocks are attached. The Dan Wesson design homes the coil mainspring inside a short extension https://gunnerhdzuq.blazingblog.com/39556282/dan-wesson-gun-enthusiasts-an-overview