Product Description The ProMag GLK-A14 is a durable aftermarket magazine designed for GlockA(R) .45 ACP pistols, delivering a 13-round capacity in a rugged black polymer body. Built for dependable feeding and long-term reliability, it features a precision-wound, heat-treated chrome silicon spring and an injection-molded follower. The magazine body uses a DuPont(TM) ZytelA(R)-based polymer and includes a full-length internal steel insert stamped and welded in a factory-style design. Made in the USA and backed by ProMags lifetime guarantee against manufacturer defects, its a solid choice for training, range use, and spare-mag carry. Product Highlights 13-round .45 ACP magazine compatible with GlockA(R) Model 21 and 30 pistols Proprietary DuPont(TM) ZytelA(R)-based polymer body for durable, lightweight performance Full-length internal steel insert (stamped and welded) for added strength and stability Heat-treated chrome silicon spring and injection-molded follower for consistent feeding Made in the USA and backed by a lifetime guarantee against manufacturer defects Specs Brand: ProMag Industries Manufacturer Part Number: GLK-A14 UPC: 708279014369 Caliber: .45 ACP Capacity: 13 rounds Compatibility: Fits GlockA(R) Model 21 and Model 30 Color: Black Body Material: Polymer (DuPont(TM) ZytelA(R)-based) Internal Reinforcement: Full-length steel insert Follower: Injection molded Spring: 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 products manufacturer.