MoCo Bought a rifle that normally takes AICS mags. It came w/ 1 PMAG10 AC. Thats fairly prolonged if using prone (TIL AICS mags are one stack.) I choose to obtain some 5rd versions. Looking online I recognize magpul has new 'Sig Cross' variations w/ a follower that has a bit feed lip at the entrance that can help if loading singles through the ejec