The Shadow Systems CRX 9mm 15-round Magazine is an authentic factory magazine designed for strength and reliability in any self defense or training scenario. Constructed with a laser welded steel tube and a corrosion-resistant finish, it offers exceptional durability. A high tensile steel spring and polymer follower ensure proper cartridge alignment for smooth, jam free feeding, while the impact resistant polymer floor plate provides added toughness and allows for quick disassembly for maintenance. Additionally, precision-machined witness windows enable fast, visual round counts on the go. Made in the USA. Laser-welded steel construction enhances structural integrity and durability Corrosion-resistant finish protects against wear and environmental elements for long-lasting reliability High-tensile steel wire spring maintains consistent pressure for smooth and reliable feeding Injection-molded polymer follower is designed for durability and enhanced feeding consistency Reinforced feed lips enhance durability and maintain consistent cartridge alignment for reliable feeding Removable polymer floor plate allows for easy disassembly and cleaning, ensuring long-term performance Precision-machined feed lips provide exact tolerances for smooth and reliable ammunition feeding