Let's see. Oswego...college town known for lot's of bars. Lake Ontario/Salmon River if you like fishing.
Remington is located in Ilion, NY. Less than 2 hours from Oswego. Take 481S to the NYS thruway. Preceed east to Ilion exit. Can't miss the Remington factory. Call for the tour and musuem hours. Go to their website for contact info. Worth the trip!
Let's see. Ithaca Gun is in King Ferry, NY. Dan Wesson Firearms in in Norwich, NY. Both are within a couple hours of Oswego.
If you like wine, visit the FingerLakes region. MANY vineyards/wine tours. Head out to Seneca/Keuka Lake. One of the prettiest areas in CNY. The Adirondacks are also with 3+ hours drive. Lake Placid area is touristy, but scenic. High Peaks are beautiful.
Enjoy! Many beautiful areas to see. A couple board members are local to Oswego...