The 35 round magazine allows for a longer firing session without reloading, making them perfect for target practice.Our magazines are compatible with Smith & Wesson® M&P15-22®, Our magazines look, fit, feel, and operate like the real thing. Our magazines are constructed of the finest polymers, which are impact and solvent resistant, then sonically welded for maximum durability. No screws or exposed springs here, just rock solid construction for the foulest conditions. The designs are user friendly and heavy duty. The 35 round magazine has a higher overall capacity than any other stick magazine on the market. proudly made in the USA.