357. Revolvers with flat mainsprings should have a metallic framework to anchor one close, although one other contacts the hammer. This framework typically forms the first condition of the handgrip, to which the stocks are hooked up. The Dan Wesson design properties the coil mainspring within a short extension in https://hectorpnlif.blogspothub.com/38352540/dan-wesson-high-precision-barrel-an-overview