The Pouch will accept virtually every pistol magazine. Single and double stack, it makes no difference. From Glock to 1911 to S&W to Sig Sauer, Beretta, Taurus and more.
The fairly simple pouch in its design, However with virtually limitless uses. It can hold multitools, small flashlights, pocket knives and pretty much anything similar in dimension.
Open-top design pouch make it easy obtain the spare magazines to deployed easily and silently on demand.
The mag pouche with two Molle clips , compatible with most standard belts, chest rigs and other MOLLE/PALS style gear make it infinitely easier to carry equipment on your person.