I HATE the typical "Two mag" carriers, they and my belt line are of opposing designs. I picked up an "Uncle Mikes" clip on, black nylon single mag pouch for my XDm and Glock 20 spare mag. Guess what? It holds 2 1911 mags, more comfortably than the standard "double,single stack" type and it is tight enough they don't rattle but they are still smooth to take out. Now if I could just remember the recipie for ice cubes I'd feel like a genius.