Well built and highly durable the ProMag Ruger Mini-14 .223 Remington Magazine holds 10 rounds of ammunition. Expertly machined for exceptional quality the ProMag Ruger Mini-14 magazine is made from steel and comes in a blued finish. ProMag magazines include a lifetime guarantee and are guaranteed to feed and function for every shot. If you ever experience a problem with their magazines; simply return them to ProMag for replacement.FeaturesManufacturer Number: RUG 09ProMag Ruger Mini-14 .223/5.56 Magazine 10 Rounds Blued SteelCaliber: .223 Remington/5.56 NATOCapacity: 10 RoundsBody Material: Heat Treated Blued SteelSpring Material: Heat Treated Chrome-silicon WireFollower Material: DuPont Zytel PolymerFollower Color: BlackBase-plate Molded from DuPont Zytel PolymerFinish: BluedFitsRuger Mini-14 Rifles