Agreed. I have carried an extra mag in the backpack which does me little good if I’m empty and still needing rounds quickly. I carry in Kydex holster on my Exp pack but no good way to carry the extra magazine.
Really don't understand carrying the extra mag. You're not going to shoot a grizz under 25 yards. At that point you have about 2 seconds to shoot. Pretty sure 15 rounds in a G20 is way more than you're gonna get off.