The crate in the small barn, with the shoutgun in it, at your house has an infinite amount of storage space. I was able to store an RPG-7, several AK-12's and AKM's, an LIM, several CAR-95's all with a good amount of ammo, 30 Grenades, 70 Medpacks, 30 Repair kits and about 10 CSAT combat fatigues and vests without the white bar, which indicates how much space you have used of the crate, to even appear