30rd mag

Aluminum Magazines fits AR-15/M-4/M-16 Caliber:5.56 Nato/.223 Remington/.223 Wylde30rd Magazine Material:Body and Floorplate: 6061 T6 Aluminum17-7ph stainless springs pre-compressed and passivated for consistent performance and long service lifeTeflon coated exterior finish for smooth removalMagpul™ Gen 3 Anti-tilt