Springfield Armory Magazine Echelon 9mm Luger 20 Round Black 1 Pack Stainless Steel 20RD. The extended polymer basepad aids in tactical reloads while the blacked-out corrosion resistant coating ensures a lifetime of service. Specifications for Springfield Armory Echelon 9mm Luger 20 Round Magazine: Manufacturer: Springfield Armory Gun Make: Springfield Armory Gun Model: Springfield Armory Echelon Caliber: 9mm Luger Magazine Capacity: 20 Round Color: Black Fabric/Material: Steel Package Contents: Springfield Armory Echelon 9mm Luger 20 Round Magazine What firearm models does the manufacturer say Springfield Armory Echelon 9mm Luger 20 Round Magazine is compatible with? The manufacturer says that Springfield Armory Echelon 9mm Luger 20 Round Magazine is compatible with Springfield Armory EchelonSpringfield Armory EC6020-20RD: Magazine Echelon 9mm Luger 20 Round Black 1 Pack Stainless Steel