NICE USED This Wyatt Deep Cover edition Model 637 features Performance Center-tuned double action with a concealed chrome-plated bobbed hammer, and a hand polished chrome-plated trigger. The matte aluminum frame alloy frame is set off with polished stainless steel cylinder flutes. It has a black polymer clip grip with an 'SW' medallion, and the 1.67" barrel sports an integral front sight and the GunSmoke Logo.