The GHK 74U AK GBBR Gas Magazine features a loading capacity of 40 rounds. It is designed specifically for GHK AKS-74U and GKM series airsoft gas blowback rifles. Weighing 640 grams, this magazine provides stability and durability during gameplay. It utilises 6mm BB ammunition, ensuring compatibility with standard airsoft guns. This product is essential for those seeking reliable performance in the field.