A more traditional approach to carrying additional pistol magazines: the FirstSpear™ Pistol Magazine Pockets. These products are available in single, double and triple configurations, and fit many single and double stack magazines, including 7 and 8 round 1911 style, double column 9 MM magazines of 15 – 17 rounds for the Glock 17/19 and double column 9 MM magazines of 15 rounds for the Sig 226 or M9 Beretta.