The River City Shooting Gallery is set to open its doors for tourists and locals looking for an old fashioned shoot-em-up good time when visiting Old Sacramento.   SACRAMENTO, CA (June 1, 2010) As the economy seems to be recovering, the owners of The River City Saloon in Old Sacramento have decided to keep building on the fun theme they brought to Old Sacramento by opening a new venture called The River City Shooting Gallery. Over the years, Sean Derfield has always felt that the Old Sacramento area was missing one thing: an old west themed saloon with a family friendly shooting gallery for the many tourists and families that visit the area. But after realizing that his saloon, that ope