I have both E-Lander and ASC Mags. The 10 and 25 Rd ASC Mags have worked great for me as well as the 10 and 17 Rd E Landers. If you want the Mid length (15-17 Rd) mags, Go with the E lander as they have the proper curve to them, where as the ASC 15 rounders are straight and I have heard of...