Springfield Armory Magazine Echelon 9mm Luger 17 Round Black 1 Pack Stainless Steel 17RD. Its flush-fitting design conceals a generous 17-rounds of 9mm while numbered witness holes provide quick feedback. Crafted from robust stainless steel the magazine features a blacked-out coating boasting exceptional scratch and wear resistance for long-lasting durability. Specifications for Springfield Armory Echelon 9mm Luger 17 Round Magazine: Manufacturer: Springfield Armory Gun Make: Springfield Armory Gun Model: Springfield Armory Echelon Caliber: 9mm Luger Magazine Capacity: 17 Round Color: Black Fabric/Material: Steel Package Contents: Springfield Armory Echelon 9mm Luger 17 Round Magazine What firearm models does the manufacturer say Springfield Armory Echelon 9mm Luger 17 Round Magazine is compatible with? The manufacturer says that Springfield Armory Echelon 9mm Luger 17 Round Magazine is compatible with Springfield Armory EchelonSpringfield Armory EC6017-17RD: Magazine Echelon 9mm Luger 17 Round Black 1 Pack Stainless Steel