This versatile pouch will hold almost any pistol magazine. Single stack or double stack, it makes no difference. 1911, HK 45, M9/Beretta 92, Glock, XD mags are all held securely and deployed easily and silently on demand. The Pistol TACO? can also hold a variety of multi-tools, knives and flashlights securely. The Pistol TACO? maintains a positive, adjustable grip on its contents without additional securing systems needed.