Introducing the ultimate accessory for your M4 AEG - the 300 BBs Tracer Hi-Cap PMAG type Magazine from King Arms. This sleek black magazine is designed to enhance your airsoft experience by providing you with a high-capacity magazine that also features tracer technology. With a capacity of 300 BBs, you'll be able to stay in the game longer without having to constantly reload. The tracer technology also adds an extra level of excitement to your airsoft battles, as you'll be able to see your BBs light up as they fly through the air. The PMAG type design of this magazine ensures a secure fit in your M4 AEG, and the durable construction means it can withstand even the most intense airsoft battles. Plus, the black color adds a sleek and tactical look to your airsoft gun. Upgrade your airsoft game with the 300 BBs Tracer Hi-Cap PMAG type Magazine from King Arms. Don't settle for a standard magazine - take your airsoft battles to the next level with this high-quality accessory.