Glock 17 vs Glock 45

1982–Present

2018–Present

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

500,000+ units (estimated)

204 mm (8.03 in)

189 mm (7.44 in)

114 mm (4.49 in)

102 mm (4.02 in)

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

587 g (20.7 oz) empty

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

17 rounds standard, 10/15/33 round options

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

Short recoil, locked breech, striker‑fire

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

Glock Safe Action (pre‑cocked striker, trigger safety, firing pin safety)

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

Fixed polymer front post, fixed rear notch (optional tritium night sights)