Springfield Magazine, 9MM, 15 Rounds, Fits Springfield Echelon, Stainless Steel Construction, Black EC6015 The 15-round low capacity Echelon magazine is designed for those who live in locales with magazine capacity restrictions. Its flush-fitting design conceals 15-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.