This long magazine pouch is designed to accommodate 9x19mm caliber SMG magazines with a fully open form. It features composite side walls for secure storage and is further compressed by shockcord, allowing for quick and easy access to the magazine. Plus, it is compatible with the MOLLE mounting system and can be directly attached to any service belt. With an ultra light and durable construction, this pouch is perfect for professionals looking for a reliable and efficient storage solution.