Hannibal Tactical MOLLE Assault Pack, Tactical Backpack Military Army Camping Rucksack, 3-Day Pack. 4.7 out of 5 stars. 5,044. $27.59. $27. . 59. With space to house a 3-liter hydration bladder as well 2 further main compartments, this tactical backpack is perfect for big adventures. With space to house a 3-liter hydration bladder as well 2 ...