Wall Rack System - Universal Mag Holder (Multiple Sizes)When one mag isnt enough, stay ready and organized with the Wall Rack System Universal Mag Holder. Designed to mount directly to your Wall Rack System slat wall panels, this rugged, all steel magazine holder keeps your rifle and pistol magazines neatly stored and instantly accessible. Available in two sizes, it easily holds everything from . 22LR mags to . 308 AR 10 magazines, making it a versatile solution for any firearm enthusiasts gun room wall