357. Revolvers with flat mainsprings needs to have a metal framework to anchor 1 stop, when one other contacts the hammer. This framework generally forms the main shape in the handgrip, to which the stocks are connected. The Dan Wesson design homes the coil mainspring within a short extension in https://charliefcxtp.daneblogger.com/38292118/details-fiction-and-dan-wesson-arms-offers