TACNEX Single/Double/Triple Pistol Magazine Pouch w/ Belt/MOLLE Snap Strap Clip 9mm Mag Holster w/ Quick Release Insert Open Top Mag Retention Case Carrier Nylon Mag Holder for Battle Belt Duty Vest Chest Rig Note: Please measure the height of your magazine before purchasing to make sure it is higher than 3.5". The purpose of the foam contained in the package: 1. Foam sandwiched in the insert is used to prevent the insert from being severely crushed during transportation. 2. If your mag is too slim, you can try attaching this foam to the groove on the front of the insert for better retention. Gap Version(more separation between the two pouches) is available now.