The Shield Arms Premium Magwell is a competition-grade magazine well with an optimized funnel design for Gen 5 Glock 19, 23, and 44 pistols. Precision-machined from 6061-T6 aluminum with a Type II anodized finish, this magwell greatly reduces reload times by providing a larger target area for magazine insertion-ideal for USPSA Production, IPSC, Steel Challenge, and serious range training. Features : Optimized Funnel Geometry Competition Legal Design Enhanced Ergonomics Precision CNC Machined Drop-In Installation Universal Magazine Compatibility GLOCK is a registered trademark of GLOCK Inc. 3CR Tactical is not affiliated with, endorsed by, or sponsored by GLOCK Inc. Any reference to GLOCK products is for identification and compatibility purposes only.