Springfield Armory Echelon Gray 9mm Luger Handgun Magazine - 17 Rounds - The 17-round Echelon magazine is a sleek and dependable accessory designed for ultimate performance. 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 new blacked-out coating, boasting exceptional scratch and wear resistance for long-lasting durability.