FHF Gear 5 Round Cartridge HolderUse The 5 Round cartridge Holder is designed to store 5 centerfire rifle cartridges and is backed with Hook Velcro and an easy grip pull tab for quick removal or relocation. Accommodates cartridges 5. 56mm 223 Rem to 300 RUM. We recommend pairing this with the FHF Gear Chest Rig GEN2, E 3, or E 4 pouch for extra cartridge storage, however, you can use this product anywhere you have loop velcro real estate, including our MOLLE to Loop Adapter Panel.