This magazine is compatible with your cz 527.
Caliber: 223 Rem
Capacity: 5rd
Finish: Blued
Model: CZ527
Material: Steel
Type: Detachable
Model Fit: CZ 527
Brand Fit: CZ
Capacity: 5
Caliber: 223 Rem
Capacity: 5rd
Finish: Blued
Model: CZ527
Material: Steel
Type: Detachable
Model Fit: CZ 527
Brand Fit: CZ
Capacity: 5