The 10-round low capacity Echelon 4.0C magazine is designed for those who live in locales with magazine capacity restrictions. Its flush-fitting design conceals 10-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.Features :Fits Echelon 4.0 CompactStainless Steel ConstructionNumbered Witness Holes