ProMag Glock 17 9mm 25rd Polymer Extended Magazine Overview: The ProMag 25-round Glock-pattern magazine is a high-capacity aftermarket magazine designed for double-stack 9mm Glock pistols and compatible pistol-caliber carbines. Built with reinforced polymer construction and steel lining, it offers extended shooting capacity for range, training, and recreational applications. Key Features: 25-round capacity: Extended-capacity design reduces reload frequency. Wide Glock compatibility: Fits multiple double-stack Glock-pattern firearms. Steel-lined polymer body: DuPont Zytel polymer reinforced for improved durability. Chrome silicon spring: Heat-treated spring promotes reliable feeding performance. Polymer follower: Injection-molded follower helps ensure smooth cartridge alignment. Corrosion-resistant construction: Polymer exterior resists environmental wear. Lifetime warranty: Covered by ProMag replacement guarantee. Specifications: Manufacturer: ProMag Category: Pistol Magazine Caliber: 9mm Luger Capacity: 25 Rounds Material: Steel-lined DuPont Zytel Polymer Follower Type: Injection-Molded Polymer Spring Material: Chrome Silicon Wire Color: Black Compatible Firearms: Glock 17 Glock 18 Glock 19 Glock 26 Glock 34 Glock 45 Glock 47 AR-9 Glock-pattern carbines Kel-Tec SUB-2000/19 KRISS Vector Shadow Systems CR920 Applications: Range shooting: Extended shooting sessions with fewer reloads Training drills: Increased magazine capacity for practice use PCC compatibility: Suitable for Glock-mag-fed carbines Recreational shooting: High-capacity option for compatible platforms Additional Features: Reinforced internal structure: Steel liner improves rigidity and durability Reliable feed system: Optimized spring and follower geometry Extended magazine profile: Greater capacity while maintaining compatibility Made in USA: Domestic manufacturing with warranty support SKU: GLK-A15UPC: 708279014598