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

MoCo Acquired a rifle that will take AICS mags. It arrived w/ a person PMAG10 AC. Thats really extended if applying vulnerable (TIL AICS mags are single stack.) I choose to purchase some 5rd versions. Seeking online I detect magpul has new 'Sig Cross' versions w/ a follower that has a little bit feed lip on the entrance that will help if loading si