You're gonna love this! I bought a Galco DMC for the .45 Glock magazines, and managed to stretch it a bit and put two 1911 mags in each side. Will a much more compact, lightweight carrier that holds four do you well? You could probably find a covered, police style mag case for the Glock and do the same, if you needed a lid over your mags. I have two Galco pouches, for eight backup mags when I fell silly enough to pack all that weight.