Crafted from aerospace-grade aluminum this Glock 43x and 48 magazine extension by Tyrant Designs delivers durability and reliability in a sleek gray design. Adding 4 extra rounds to your factory magazine it also features a 10% power spring for enhanced performance. With its innovative technology this mag extension ensures fast and hassle-free installation making it an excellent upgrade for compact firearm users. Designed for precision and functionality it's the ideal accessory for your Glock 43x/48.