ATI(R) Magazine Adapter is designed for compatible 9mm magazines used with the Sig Sauer P320 platform. The adapter provides a magazine-related fitment component for compatible configurations and features a black finish. This package includes three magazine adapters.Key Features Designed for compatible Sig Sauer P320 applications Designed for 9mm magazine configurations Magazine adapter design Package includes 3 adapters Black finishATI(R) provides firearms components and accessories for a variety of firearm platforms. The company offers products designed with an emphasis on practical compatibility functional construction and dependable use. ATI accessories include firearm components and supporting products for compatible firearm applications.