Introducing the GHK 30 BBs Gas STANAG Magazine for GHK M4 GBB in sleek black. This high-quality magazine is designed to provide you with a reliable and efficient gas feeding system for your GHK M4 GBB rifle. With a capacity of 30 BBs, you can enjoy uninterrupted shooting without the need for frequent reloading. Crafted from durable materials, this magazine is built to withstand the rigors of intense airsoft battles. Its black finish adds a touch of style to your rifle, making it stand out from the crowd. The gas feeding system ensures consistent and accurate shots, giving you an edge over your opponents. Whether you're a seasoned airsoft player or a beginner, the GHK 30 BBs Gas STANAG Magazine for GHK M4 GBB is a must-have accessory for your rifle. It's easy to install and use, and its compact size makes it easy to carry around. So why wait? Get your hands on this top-quality magazine today and take your airsoft game to the next level!