ProMag Industries Magazine, 223 Remington/556NATO, 30 Rounds, Fits Ruger Mini-14, Steel, Blued Finish RUG-A3 RUGA3

Self-lubricating, polycarbonate follower with precision-wound, heat-treated, chrome silicon spring ensures reliable feeding you can count on for defensive maneuvers and tactical competitions. Removable base plate allows easy disassembly for cleaning. Ruger® Mini-14® magazines have a heat-treated, carbon steel body that's TIG welded for uniformity and lasting strength. Available in .223/5.56mm (20- and 30-round).