Now at 50% off courtesy of Blackhawk!... "Holds four M-16/M4 30 round magazines in separate slots. Worn upside down to minimize movement while reloading, increasing efficiency and speed. Magazines are held in place by elastic both inside and outside of the pouch. Pouches are reinforced with Type 4 webbing, and utilize hook & loop closure and a side release buckle for extra security. Buckle can be stowed out of the way, allowing the operator to simply pull down on the lid for quicker access in a tactical environment."