357. Revolvers with flat mainsprings needs to have a metal framework to anchor one end, although one other contacts the hammer. This framework frequently forms the first form of the handgrip, to which the stocks are hooked up. The Dan Wesson design properties the coil mainspring inside a short extension https://dan-wesson-firearm-models04815.blogginaway.com/40212008/the-definitive-guide-to-dan-wesson-product-catalog