Smith & Wesson agreement, Walther produced the frames, and Smith & Wesson produced the slide and barrel. The pistol has several cosmetic differences from the original Walther design and strongly resembles a hybrid between the P99 and the Sigma series. In 2005, Smith & Wesson debuted a new polymer-frame pistol intended for the law enforcement market. Dubbed the M&P (for Military and Police), its name was meant to evoke S&W's history as the firearm of choice for law enforcement agencies through its previous lineup of M&P revolvers. The M&P is a completely new design with no parts interchangeable with any other pistol including
Smith & Wesson .38/44 either blue or nickel finish. Production was interrupted by the second world war. Postwar production serial numbers are prefixed with the letter S. After the war these N-frame revolvers were popular with veterans experimentally handloading the .38 Special at pressures up to fifty percent higher than the recommended for conventional .38 Special revolvers. In 1957, the "Heavy Duty" fixed sight version was marketed as the Smith & Wesson Model 20 and the "Outdoorsman" with adjustable sights became the Smith & Wesson Model 23 Smith & Wesson .38/44 Smith & Wesson .38/44 identifies a series of 6 shot, double-action, Smith &