The Magpul PMAG D-50 GL9 PCC drum magazine is designed to be the next highly reliable 9mm luger drum magazines exclusively from the engineers at Magpul. You asked and they listened, this magazine is easy to load, operate and maintain. The ratcheting loading lever is designed for easy loading and the pain pen dot matrix will allow you to make and identify your magazines quickly and easily. Specifications and Features:Magpul Industries MAG1137-BLKPMAG D-5050 Rounds9mm LugerRugged ConstructionEasy To Load, Operate and MaintainDependable Visual FeaturesRatcheting Loading Lever for Easy LoadingSimple Disassembly For CleaningHigh Visibility Follower TipPaint Pen Dot MatrixNext Generation Impact Resistance Polymer ConstructionBlack