This replacement or spare magazine is compatible with rock island's stk100 pistol.
Caliber: 9mm Luger
Capacity: 10rd
Model: STK100
Material: Steel
Model Fit: STK100
Brand Fit: Rock Island
Capacity: 10
Caliber: 9mm Luger
Capacity: 10rd
Model: STK100
Material: Steel
Model Fit: STK100
Brand Fit: Rock Island
Capacity: 10