Carry your extended 9mm Magazines on your belt or attach to a modular pocket for convenience. Features 4 Pockets and each pocket holds 30 to 36 round 9mm mags, 30rd .45 Thompson Mags, 30rd MP5 magazines, 34rd Sterling mags, Grease Gun Magazines, extended Glock Magazines and others similar in style. The back of the pouch features belt loops for belt carry, and Velcro strips for attachment to modular pockets.