The Glock G21/G41 .45 ACP magazine embodies precision durability and reliability showcasing the manufacturer's commitment to excellence.With 13 rounds of big bore 45 ACP at your fingertips this magazine is perfect for those who demand high capacity and robust performance.Designed meticulously this magazine boasts a crack-resistant polymer structure strengthened with full-length steel inserts. Additionally the steel spring wire internals and numbered witness holes ensure easy round counting and hassle-free maintenance.Glock G21/G41 45 ACP Magazine (Polymer)13 Round CapacityCrack-resistant polymer designSteel-reinforced full-length insertsNumbered witness holes for easy countFor Glock enthusiasts the G21/G41 magazine provides an impeccable fit for both Glock 21 and 21 SF pistols ensuring seamless integration and optimal functionality.New owners might notice the magazine springs' initial stiffness a signature trait of Glock's commitment to long-lasting performance and reliability even in harsh conditions.This rigidity eases over a few shooting sessions leading to a smoother loading experience. In fact after just a few rounds of loading and unloading users will find the spring's tension just right making magazine reloading a breeze.As with all GLOCK factory originals this magazine benefits from a hardened steel insert further protected by a high-tech polymer coating.This ingenious design not only safeguards the magazine but also eliminates the risk of deformation ensuring your magazine remains robust and effective even after accidental drops or impacts.Order your new Glock Factory magazine online today!Searching for 45 ACP? Score big savings when you shop our large selection of cheap 45 ACP ammo for sale.In the market for a new pistol? For big savings and fast shipping shop our online inventory of low-priced full-sized handguns for sale.