Glock 17 vs Heckler & Koch Mark 23

1982–Present

1998–Present

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

~15,000 estimated (military and law‑enforcement contracts)

204 mm (8.03 in)

225 mm (8.9 in) with extended slide

114 mm (4.49 in)

127 mm (5.0 in)

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

1.13 kg (2.5 lb) empty, 1.36 kg (3.0 lb) loaded

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

13 rounds standard, optional 10‑round low‑profile magazine

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

Short‑recoil, locked breech, rotating barrel; stainless‑steel slide with polymer frame