Glock 17 vs Glock 19

1982–Present

1988–Present

12,000,000+ units (estimated worldwide across all generations and variants)

10,000,000+ units (estimated)

204 mm (8.03 in)

186 mm (7.32 in)

114 mm (4.49 in)

102 mm (4.02 in)

625 g (1.38 lb) empty, 905 g (1.99 lb) loaded

670 g (1.48 lb) empty, 850 g (1.87 lb) loaded (15‑round)

17 rounds standard; 19, 24, 31, 33, 45 round options available

15 rounds standard; 10, 12, 17, 19, 24, 33, 45‑round options available

Short recoil, locked breech, striker-fired with Safe Action trigger system (trigger safety, firing pin safety, drop safety)

Short recoil, locked breech, striker‑fired; Safe Action trigger with trigger safety, firing pin safety, and drop safety

Consistent ~2.5 kg (5.5 lb) pull, single‑stage Safe Action trigger

Safe Action striker‑fire, consistent ~4.5 lb (2.0 kg) pull, single‑stage

Fixed polymer front post, fixed polymer rear notch; optional tritium night sights or aftermarket rail‑mounted optics

Fixed polymer rear notch (3‑dot optional) and steel front blade; optional night sights (tritium or fiber‑optic) available