Features High quality box mag for the Elite Force H&K MG4 Lightweight polymer construction adds minimal weight to your MG Massive 4000 round capacity Realistic markings to not ruin the aesthetic of your MG4 Magazine tube feeds BBs reliably, eliminating a common jamming point Manufacturer: Elite Force / Umarex / VFC Specifications: Capacity: 4000 RoundsFeed System: Auto-WindingCompatibility: Elite Force H&K MG4 Airsoft AEG Machine GunsMaterial: Polymer