Elite Tactical Systems (ETS) is an American company that designs and manufactures high-quality, durable, and reliable polymer magazines for firearms. ETS is well-known for producing clear polymer magazines that are transparent, allowing the user to see the amount of ammunition remaining in the magazine. They offer a wide range of magazines for different firearms, including handguns, rifles, and shotguns, from popular brands such as Glock, Smith & Wesson, Sig Sauer, and more. They also produce a wide range of accessories for the magazines such as loading tools, couplers, and protectors. ETS is known for its high-quality products, and for being one of the first companies to produce high-quality, reliable, and affordable aftermarket magazines. They are widely used by law enforcement, military and civilian shooters. They also have a reputation for their customer service and their willingness to work with customers to develop custom solutions.