Česká zbrojovka Uherský Brod · Submachine-Gun · Out Of Production · 1948
| Weight (empty) | 3270 g (115.3 oz) |
| Overall Length | 686 mm (27.01") |
| Barrel Length | 284 mm (11.18") |
| Magazine Capacity | 24 rounds |
| Action Type | Blowback |
| Firing Mechanism | Open Bolt |
| Muzzle Velocity | 381 m/s (1250 fps) |
| Muzzle Energy | 540 J (398 ft·lbf) |
| Effective Range | 200 m (219 yd) |
| Frame Material | Steel |
Primary Caliber: 9x19mm Parabellum
The Sa vz. 23 is a Czechoslovak blowback-operated, open-bolt 9×19mm submachine gun designed by Jaroslav Holeček at Česká zbrojovka Uherský Brod and adopted in 1948. It pioneered two features that would define compact SMG design for the next half-century: a telescoping bolt that wraps around the rear of the barrel to dramatically shorten overall length, and a detachable box magazine inserted through the pistol grip. Its progressive two-stage trigger eliminated the need for a separate selector swi...
Country of Origin: Czech Republic
Designer: Jaroslav Holeček