Astra Model 400 vs Glock 17

1921–1950

1982–Present

Approximately 1,000,000

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

224 mm

204 mm (8.03 in)

150 mm

114 mm (4.49 in)

1.08 kg

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

8 rounds

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

Delayed blowback

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

Single-action