Holds up to two magazines Available in single, double, and triple configurations Fits most single and double stack magazines Hook and loop closure system Available in 6/9 and 6/12 attachment style options The FirstSpear Magazine Pocket is a more traditional approach to carrying additional magazines. This pocket is available in single, double, and triple configurations, and fits most single and double stack magazines. This includes but isn't limited to 7 and 8 round 1911 style, double column 9mm magazines for the Glock 17/19, and double column 9mm magazines for the Sig 226 or M9 Beretta.