Pro Mag Industries Magazine for Ruger MAX-9 Features The ProMag magazine for the Ruger MAX-9 is constructed from heat-treated steel with a black oxide Blued finish giving it durability that stands up to repeated use in the field or at the range. Its 12-round capacity in 9mm matches the compact carry role the MAX-9 platform is built for giving shooters extra rounds on hand for practice or backup carry. The magazine spring is formed from heat-treated chrome silicon wire a material chosen for its resistance to fatigue over thousands of loading cycles. An injection molded follower helps maintain smooth consistent feeding throughout the magazine s life. ProMag manufactures this magazine entirely in the USA with each unit checked multiple times during the assembly process to catch defects before it ships. The company backs every magazine with a lifetime guarantee against manufacturer s defects giving buyers confidence in a long service life. This makes the magazine a smart pickup for MAX-9 owners who want a reliable spare on hand for range day or daily carry. Whether used for practice backup capacity or simply having extra magazines loaded and ready this ProMag magazine is built to keep the MAX-9 feeding reliably. Pro Mag Industries Magazine for Ruger MAX-9 Specifications Manufacturer: ProMag Industries Caliber: 9mm Capacity: 12 Rounds Color: Blued Compatible Hosts: Ruger MAX-9 Material: Steel Available At: GrabAGun