357. Revolvers with flat mainsprings must have a steel framework to anchor a single end, when another contacts the hammer. This framework generally varieties the main condition in the handgrip, to which the stocks are hooked up. The Dan Wesson design homes the coil mainspring inside of a short extension https://danwessonfirearmmodels14702.thenerdsblog.com/45541020/dan-wesson-competition-firearms-options