ProMag Industries 20-Round 9mm Magazine for Glock 17/19/26, Black Polymer w/ Steel Insert GLK-A21

Product Description The ProMag Industries GLK-A21 is a high-capacity 20-round 9mm pistol magazine designed to fit Glock 17/19/26 platforms. Built with a proprietary DuPont Zytel-based polymer body and a full-length steel internal insert (stamped and welded like a factory magazine), it delivers dependable feeding and long-term durability. An injection-molded follower and a heat-treated chrome silicon spring support consistent performance. Made in the USA and backed by a ProMag lifetime guarantee against manufacturer&&’;;s defects. Product Highlights 20-round capacity for 9mm Glock 17/19/26 pistols-ideal for range use and training Proprietary DuPont Zytel-based polymer magazine body for lightweight strength Full-length steel internal insert, stamped and welded for reinforced structure Injection-molded follower for smooth, reliable cartridge presentation Heat-treated chrome silicon spring for long service life and consistent tension Specs Brand Name: ProMag Industries Manufacturer Part Number: GLK-A21 UPC: 708279015861 Type: Pistol magazine Caliber: 9mm Capacity: 20 rounds Compatibility: Fits Glock 17 / 19 / 26 (9mm) Color: Black Body Material: Polymer (DuPont Zytel-based) Internal Reinforcement: Full-length steel insert Spring Material: Heat-treated chrome silicon wire Country of Manufacture: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&’;;s manufacturer.