There's a huge amount of military loot at the door of guard houses. Multiple vests, lots of ammo, magazines, helmets, pistols and even rifles. You can too easily gear up and be fully kitted killing machine just by visiting these guard houses.
- Legacy ID
Guard houses are the ones made enterable between .55 and .57. For example here next to the road near too barracks: http://dayzdb.com/map#7.025.103
(It's called "bathroom" in dayzdb.com.)