MANUFACTURER: Springfield Armory FAMILY: Hellcat Series MODEL: Hellcat Magazine TYPE: Accessory-Magazines ITEM GROUP: Handgun Magazines CALIBER/GAUGE: 9mm FINISH: Stainless FINISH TYPE: Stainless Steel CAPACITY: 11 SHIPPING WEIGHT: 0.15 lbs. MFG MODEL NO: HC5911 UPC: 706397929473