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Well, the AR7 can have its barrel removed by unscrewing the nut on the front of the receiver, and it can have its stock removed by unscrewing a big bolt inside the grip. What you can do then is to take off the buttcap on the stock, and then slide in the barrel in a long compartment, and the action inside of another compartment; the AR7 can be easily disassembled and then stored inside of its own stock for storage.
The gimmick of the AR7 is to be a very lightweight rifle which stores easily, it doesn't get in the way or add too much weight on for instance a plane or helicopter, and the idea is if you get stranded in the wilderness somewhere, you can take the rifle out and assemble it, and then you have a small caliber rifle with which you can forage for food to survive.