Glock 18 vs Glock 43

1986–Present

2015–Present

~250,000 estimated (including all variants)

~1,200,000 estimated

204 mm (8.03 in) standard, 236 mm (9.29 in) on 18C model

159 mm (6.26 in)

102 mm (4.02 in) standard, 135 mm (5.31 in) on 18C model

86 mm (3.38 in)

625 g (1.38 lb) empty (standard), 730 g (1.61 lb) with 33‑round magazine

509 g (1.12 lb) empty

33 rounds standard, 50‑round drum, 10‑round compact magazines available

6 rounds standard, 10‑round extended magazine available

Short recoil, locked breech, striker‑fired Safe Action system

Short recoil, locked breech, striker‑fired (Safe Action) system

Safe Action striker‑fire with slide‑mounted fire selector (semi‑auto / fully‑auto)

Safe Action striker‑fire, partially pre‑cocked with consistent ~2.5 kg (5.5 lb) pull

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

Fixed polymer three‑dot sights (white front, rear), optional night sights available