The Pistol TACO will hold almost any pistol magazine. Single stack, 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. This version is just like the standard one, except it has been designed for mounting on your belt. The Pistol TACO maintains a positive, adjustable grip on its contents without additional securing systems needed. Measures 1.2" x 1.75" x 4" Proudly made in the USA and covered by a manufacturer's Lifetime Warranty. High Speed Gear is dedicated to building the best 100% Made in the USA, battle proven tactical nylon gear available. Each of their products has been designed based on the operational experiences and feedback from a wide variety of end users. Whether utilized by military, law enforcement, or responsibly armed citizens, their products are designed to perform to the highest levels of comfort, functionality, and versatility.