1. What You Carry ( S&W Model 638/ Caliber .38 Spl.)
2. What You Carry It In (Bianchi Model 100 IWB )
3. Why You Carry That Particular Gun In That Particular Holster? The S&W model 638 with a 1 7/8″ barrel is light weight, dependable and easy to conceal. The Bianchi holster has been designed to fit this revolver. It grips the revolver nicely and is comfortable to wear.