Glock Talk
   Features chat rooms for various aspects and models of the Glock pistol.
   http://www.glocktalk.com/

The Glock FAQ
   Offers a range of information about the Glock pistol in all of its configurations. Also provides a newsletter.
   http://www.glockfaq.com/

The Official Glock Sports Shooting Foundation
   Provides online reference materials, schedules and maps, as well as searchable GSSF match results for current and past years.
   http://www.gssfonline.com/