The Shield Arms S15 Gen 3 15-round magazine offers an exceptional upgrade for Glock 43X and Glock 48 users. With a design that ensures a flush-fit and advanced features such as a QPQ Nitrocarburizing surface treatment for improved durability and reliability, this magazine is an indispensable accessory for enhanced performance. Enjoy 50% more capacity without increasing the size of your firearm, and trust in its robust construction for any shooting experience.