Want to reload your magazines faster and easier than ever before? Thanks to the Black Hole Polymer Magazine Well designed for the Glock®G19, you can get a new mag into your gun faster without adding any extra size or weight to your gun! Each Black Hole Polymer Magazine Well provides an enlarged, funneled opening that guides a magazine into the proper position for solid seating, so you won't fumble trying to get your mag into the grip frame. The magazine well is designed for use on Gen 3 and Gen 4 pistols and features an all-black finish. The well will also work on the Glock®G23.