GUIDE TO SELECTING THE RIGHT FIREARM FOR BEGINNERS NO FURTHER A MYSTERY

MoCo Purchased a rifle that requires AICS mags. It came w/ one particular PMAG10 AC. Thats very extended if working with susceptible (TIL AICS mags are single stack.) I desire to purchase a handful of 5rd versions. Wanting online I recognize magpul has new 'Sig Cross' variations w/ a follower that has somewhat feed lip at the front that can help if