The Valken 300rd Thermold RMAG Hi-cap airsoft magazine is constructed of durable hard polymer material, are lightweight, and can take a beating. This 5 pack of high capacity airsoft magazine fits most M4 or M16 style airsoft rifles, and holds 300 BBs. This AEG magazine also comes with a high quality spring and clutch system to ensure smooth feeding. You can find these airsoft magazines in black or tan colors.
