UNDERSTANDING DIFFERENT CALIBERS OF HANDGUN AMMUNITION FUNDAMENTALS EXPLAINED

MoCo Bought a rifle that will take AICS mags. It came w/ a single PMAG10 AC. Thats rather prolonged if working with inclined (TIL AICS mags are solitary stack.) I desire to obtain some 5rd variations. Hunting online I detect magpul has new 'Sig Cross' versions w/ a follower that has just a little feed lip on the front to help if loading singles thr