Thumb-saving, lightweight magazine loader provides fast, painless 30-round magazine loading in less than 13 seconds. Accepts 10-round stripper clips or loose rounds for easy loading of 10-, 20-, and 30-round magazines, and is capable of unloading a 30-round magazine in 15 seconds. Ambidextrous, grooved thumb slide provides a non-slip grip for right- or left-hand loading. Constructed of durable, reinforced polymer for dependable operation under extreme field conditions. Fits all AR-15/M16 metal and plastic magazines.