ETS (Elite Tactical Systems) is a manufacturer known for producing translucent polymer magazines for various firearms, including Glock pistols chambered in 9mm and .40 S&W.When you mention “ETS Glock 9mm 40,” it likely refers to ETS magazines designed for Glock pistols chambered in both 9mm and .40 S&W. These magazines are typically available in various capacities, such as 10, 15, 17, or 31 rounds, depending on the specific model and jurisdictional regulations.

ETS Glock magazines are made of durable, impact-resistant polymer material, and their translucent design allows for quick visual identification of the remaining ammunition. They are often used as aftermarket alternatives to the standard Glock magazines, offering reliable feeding and functioning.

However, it’s important to note that magazine capacity restrictions may vary depending on your jurisdiction. Before purchasing or using any firearm magazine, ensure that you are familiar with and comply with the laws and regulations of your specific location. Additionally, double-check compatibility with your specific Glock model, as some ETS magazines may be designed for specific Glock generations or models.