This magazine is compatible with your cz bren 2.It features a window for round counting.
Caliber: 5.56x45mm NATO
Capacity: 30rd
Finish: Black
Model: Bren 2
Material: Polymer
Type: Detachable
Model Fit: CZ Bren 2
Brand Fit: CZ
Capacity: 30
Caliber: 5.56x45mm NATO
Capacity: 30rd
Finish: Black
Model: Bren 2
Material: Polymer
Type: Detachable
Model Fit: CZ Bren 2
Brand Fit: CZ
Capacity: 30