us.glock.com › en › dealersGLOCK Stocking Dealer Program For more information on signing up for the GLOCK Stocking Dealer program, call your local sales rep or contact our GLOCK GSD coordinator at 770-432-1202 or gsdinfo@glock.us. GLOCK Program update: All dealers can renew between October 1st – March 25th at 4:30pm EST. Going forward this will be the only time to renew for the GLOCK Stocking ...