A simple addition that can shave precious seconds off your reload time, the Magpul GL Enhanced Magazine Well is a must-have accessory for those who carry a Gen 4 Glock 17, 22, 31, 34, 35 or 37. The generously beveled design guides your magazine into place, meaning you don't have to be so precise in high-pressure situations. When the adrenaline is pumping and your hands are shaking, that's a major advantage. The Mag Well's sleek design provides excellent concealment while ensuring minimal printing while carried. Ramp and edge geometry allow for the positive and flawless removal of faulty or stuck magazines during reloading or immediate action events. The Magpul GL Enhanced Magazine Well is optimized for use with standard capacity Glock factory magazines, Magpul GL magazines, and a variety of aftermarket floorplates and extensions that are available for both. PLEASE NOTE: Recent generations of reduced capacity (10-rd.) factory Glock magazines have several dimensional differences that will interfere with installation. Some large aftermarket floorplates may also interfere. Fits Gen 4 versions of the Glock 17, 22, 31, 34, 35 and 37 Large ramp area for easier reloading Reinforced impact-resistant polymer construction Sleek and ergonomic design External dimensions ensure minimal printing Compatible with Magpul, OEM and most aftermarket magazine floor plates Compatible with most common after-market magazine extensions Easy installation Made in the USA Due to inherent variances in Glock frame production, if an excessively tight fit is experienced during installation of an Enhanced Magazine Well that requires excessive force, it is recommended that a competent and professional gunsmith complete the installation and mitigate any potential for frame damage Order today!