Other Details Manufacturer: Magpul Industries Manufacturer Part Number: MAG575-BLK Accessories: With Window Action: Semi-Auto Brand Fit: Steyr Arms Caliber/Gauge: .223 REM/5.56 NATO Capacity: 30 Cartridge: .223 REM/5.56 NATO Color: Black Finish: Black Fit: Steyr AUG Make: Steyr Mannlicher Make/Model: Steyr Mannlicher|AUG Material: Polymer Model: AUG Model Fit: AUG Product Type: Magazine Quantity: 1 Subcategory: Rifle Magazines