Guide your loaded magazine smoothly and quickly into the Glock pistol's grip with the sleek Glock 43x/48 Magwell from Tyrant Designs. Made of 6061 aluminum, and sporting a patent-pending design for the method of attachment, these carefully designed magwells make it so easy that with just a little practice you can load a fresh magazine without ever looking at the pistol. Win competitions or defend yourself better with those added seconds. Works with S15 magazine AND most aftermarket extensions! Increase your reloading speed In a competition, it can come down to microseconds. Speed is essential, no matter what the scenario, especially the time-lapse between magazine changes. Mfg: Tyrant Cnc