Water testing is easy and interesting. A row of window washer fluid jugs works. There are empties in the garbage can at the local gas station.
I have also used a 18 liter spring water jug, shot end on. I am guessing about 20" of water. The expanded bullet was recovered from inside the jug. (7.62x39)
I have also used a 18 liter spring water jug, shot end on. I am guessing about 20" of water. The expanded bullet was recovered from inside the jug. (7.62x39)
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