Handguns > Glock Blue Label - Primary Arms From the duty-tested GLOCK 17 Gen 5 MOS full size pistol, to the ultra-concealable GLOCK 43X, the GLOCK Blue Label lineup, showcases the latest technology and engineering that drives GLOCK's constant pursuit of perfection. ... The GLOCK Blue Label Program is available to those eligible below with an approved purchaser ID: - Sworn Law ...