The Shield Arms Premium Magwell is a competition-grade aluminum magwell precisely crafted for Gen 5 Glock 17, 22, and 45 full-size pistols. It features a large-opening funnel design that significantly reduces reload times and prevents fumbled magazine insertions under pressure, making it vital gear for competitive shooters and tactical professionals. Features : Maximum Funnel Opening Competition-Grade Construction USPSA/ISPC Approved Enhanced Ergonomics Drop-In Installation Optimized Weight Distribution 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.