Military MOLLE II 9MM Magazine Pouch (Single) ACU
MOLLE II 9mm Magazine Pouch holds a 9mm Magazine (and others of similar size) and has MOLLE straps on the back for attaching to vests, packs etc.  These are made by the same US Government Subcontractor that makes the ones sold to the US Military, and are made from the same grade of materials, to the same specifications.