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Type Submachine gun
Personal defence weapon
Place of origin  Czech Republic
Production history
Manufacturer Czech Weapons (ČZW)
Variants ČZW-438
ČZW-438 M9
Weight 2.7 kg
Length 445/690 mm
Barrel length 220 mm

Cartridge 4.38×30 mm (.17 Libra)
9×19mm Parabellum
Caliber 4.38 mm
9 mm
Action Lever-delayed blowback
Rate of fire 850 rpm
Feed system 15/30 round box magazines

The ČZW-438 is a personal defence weapon of Czech origin, chambered for the .17 Libra cartridge.[1] A variant of the ČZW-438, the ČZW-438 M9, is chambered in 9×19mm Parabellum.[2]