Introducing the Swiss Arms 40 BBs Magazine for MSR SAS 10 spring - Black - Cybergun! This high-quality magazine is the perfect addition to your airsoft arsenal. With a capacity of 40 BBs, you'll be able to stay in the game longer without having to constantly reload. The sleek black design matches perfectly with the MSR SAS 10 spring rifle, giving you a tactical advantage on the field. Made by Cybergun, a trusted brand in the airsoft industry, this magazine is built to last. It's made from durable materials that can withstand the wear and tear of intense airsoft battles. Plus, the easy-to-use design makes it simple to load and unload your BBs quickly and efficiently. Whether you're a seasoned airsoft pro or just starting out, the Swiss Arms 40 BBs Magazine for MSR SAS 10 spring - Black - Cybergun is a must-have accessory. So why wait? Add it to your airsoft collection today and take your game to the next level!