Maximize your firepower and carry capacity with the ProMag® 9mm 15-Round Magazine for Glock® 43X / 48 pistols. This extended capacity mag features a durable blued steel body for lasting performance and durability under pressure, while the heat-treated chrome silicon wire spring eliminates binding for smooth feeding performance. Plus, this magazine is equipped with a polymer magazine catch insert, so changing your pistol's stock mag release is not required. If that's not enough, this ultrareliable centerfire pistol magazine is backed by ProMag's no-questions-asked lifetime warranty. Order today! Made in USA.