Glock 19 vs Glock 27

1988–Present

1995–present

10,000,000+ units (estimated)

Unknown

186 mm (7.32 in)

160 mm

102 mm (4.02 in)

87 mm

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

0.62 kg

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

9 rounds

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

Short recoil, tilting barrel

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

Striker (Safe Action)

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

Fixed polymer sights