Glock related links, from rec.guns. mostly untested.

shooting a Glock underwater. Don't try this at home, kiddies, but there is a modified part from Glock for one model that lets it be shot safely under some circumstances underwater.

Glock FAQ, v 4.0

Glock discussion:

Unofficial Glock Website

Specialty Glock parts:
Big Dawg (G30) T-Shirts
Brooks Tactical Systems (AGrip)
Grams Engineering (+4 Basepads)

Glock barrels:

Accu-Match
Bar-Sto
Briley
Federal Arms http://www.fedarms.com or http://www.gzanders.com/manu/fa.html
Fire Dragon (EFK)
Jarvis
KKM
Olympic Arms
Storm Lake

Sight/scope mounts:

Aimtech
Glockmeister
Optima 2000

Glock grip reduction:
Arizona Response Systems
Burns Custom Pistols
Robar

GSSF information:
Sportshooter.com
GunGames
Mike's Unofficial GSSF Page
Statesville 1999 GSSF Pictures

Other competition information:
IDPA homepage
IPSC homepage
USPSA homepage
GunGames

Lists of Glock links:
The Glock Ring
GlockTalks Gun Links

Personal Glock pages:
BKs Pistol Page
Custom Glock Racing
Dons Glock Page
Drastic Plastic
Glock 125's Gun Page
Glock Online
The Glock Worshipper's Web Page
Glock.ch
John's Glock Page
World of Glock
Glock KB! catastrophic failures, or why Glock doesn't want you using reloaded ammo.