Other Details Manufacturer: Magpul Industries Manufacturer Part Number: MAG661-BLK Brand Fit: Glock Caliber/Gauge: 9mm Capacity: 21 Cartridge: 9mm Color: Black Finish: Black Fit: Fits Glock 17 Make: Glock Make/Model: Glock Material: Polymer Model: PMAG Model Fit: G19 Product Type: Magazine Quantity: 1 Subcategory: Pistol Magazines