Re: S/N 310687 Archived Message Posted by Dick Miller on January 4, 2008, 8:37 am, in reply to "Re: S/N 310687" Mark, The "OO" designation rules out a 1920 gun, as the OO grade was discontinued in 1912 and became the Field grade thereafter. The date of your gun is late in 1906. Message Thread: S/N 310687 - Mark McAnally January 3, 2008, 8:02 pm Re: S/N 310687 - Mark January 3, 2008, 8:28 pm Re: S/N 310687 - revdocdrew January 3, 2008, 8:41 pm Re: S/N 310687 - Mark January 3, 2008, 8:57 pm Re: S/N 310687 - M.McAnally January 3, 2008, 9:41 pm Re: S/N 310687 - Dick Miller January 4, 2008, 8:37 am Re: S/N 310687 - Mark January 4, 2008, 5:43 pm   Searching