These E-Nickel Teflon coated, hardened steel Genuine Ruger Factory Magazines are compatible with the MAX-9TM pistol. These magazines each come with a flush-fit floorplate installed and also include a separate, replacement extended floorplate. They are not compatible with other Ruger 9mm pistols. This Genuine Ruger Factory Accessory is made in the USA. Product Specifications Manufacturer: Ruger Model: Max-9 Caliber: 9mm Capacity: 10 Rounds