There's a issue with the SW1911 pistol you should know about.
in an extremely small number of cases, that the firing pin safety plunger of the SW1911 pistol can become disabled, creating a situation where the slide may jam and render the firearm inoperable. This only pertains to certain Smith & Wesson Model SW1911 pistols bearing serial numbers JRD0000 to JRD4750.
For more information;
http://safety.smith-wesson.com/pages/1911_recall