ProMag has earned a reputation as a top-tier manufacturer of firearm magazines, trusted by gun enthusiasts and law enforcement professionals alike. Whether for recreational shooting, competition or duty use, ProMag delivers reliable performance. This 20-round magazine for Ruger Mini-14 rifles chambered in .223 Remington/5.56x45 mm is built for durability, featuring a proprietary DuPont Zytel based polymer body and follower for long lasting service life. The heat-treated chrome silicon wire spring ensures consistent feeding and reliability. Backed by ProMag's lifetime guarantee. Magazine with a 20-round capacity Designed to fit Ruger Mini-14 .223 Cal/5.56x45mm rifles The magazine body is constructed from a proprietary DuPont Zytel based polymer for exceptional strength and durability Precision-molded for smooth, reliable feeding, reducing friction and ensuring consistent round stacking The magazine spring is formed from heat-treated chrome silicone wire Proudly made in the USA for superior quality and craftsmanship