Smith & Wesson Model 637 AirweightSmith & Wesson Model 637 Airweight - Internet Movie Firearms Database - Guns in Movies, TV and Video GamesSmith & Wesson Model 637 Airweight
The Smith & Wesson Model 637 Airweight is the stainless steel model of the Smith & Wesson Model 37 Airweight. It has a stainless steel barrel and cylinder with the requisite aluminum alloy frame with an exposed hammer.