This Glock 17 Magazine is a factory original, drop-free magazine made especially for your Glock. We consider it a perfect addition to any shooter who likes to spend time shooting, not reloading! This particular 17-round genuine Glock 17 magazine fits 9mm caliber ammo and is fully constructed of polymer and steel. Although established in Austria, Glock is America’s most popular gun and magazine. This particular 17-round mag is a factory original for Glock 17 and Glock 34 firearms. It was designed with the same specification of the standard mag that’s included with the original gun. Glock is known for creating dependable and long-lasting products simply because of their mixture of polymer plastics and metals. Their manufacturing process makes Glock a top manufacturer in magazines and firearms, and they’re popular because of the quality of their products.