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A couple of loaded magazines for a German Gewehr 3, 7.62x51mm NATO. Funny thing about these magazines is that they were made out of aluminum, to be lighter than steel, and the thought the Bundeswehr had was that you would abandon these in the field, treat them as just disposable.
This was an idea that the US tried to apply to the M16 when first adopting it, an aluminum magazine loaded with 20 rounds at the factory, and built to only have to last 20 rounds ever, then being disposed of in the field, similar to a stripper clip.
This had some pretty disastrous consequences, as it turns out that this plan doesn't work out in reality, your chain of logistics will not be able to keep up, so what you get is soldiers who have ammunition but not magazines, or ammunition along with magazines which were just thoroughly worn out. These disposable magazines were one of the big contributors to the M16s infamous problems early in its service, because you'd use them once and then when you reloaded the magazine you'd find it wouldn't want to behave.
There were some crude field fixes to this, one was to download your capacity, loading 18 rounds on the first reload, and 16 on the next one, which wasn't ideal, but beats having 20 rounds that don't want to feed. Another was to disassemble the magazine and then stretch out the spring some, which could make at least the spring last a little longer (doesn't solve anything if the feed lips are deformed, mind).
France attempted disposable magazines too, with the FAMAS rifle, but found just as well that it wasn't working out.
