"For quick and reliable access to mags, rounds, and more, the Range Master Pouch (Medium) is the ideal size to store, and stow. It easily and securely fits inside the Range Master Duffel, Qualifier, and Backpack. Imported. Dimensions 4.5""H x 9.0""L x 5.5""D 244 cubic inch / 4-liter total capacity (1 SZ). Shop new tactical, military, rucksack, Molle, and range backpacks for EMS, police, and all concealed carry professionals at 5.11 Tactical."