Nickle plated surplus

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Clotho

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I came across some unusual rounds in my crate of Czech 7.62x25 surplus. They appear to be nickel or chrome plated. I know they aren't steel as the cases are a bit corroded but the bullets are nice and shiny. Anyone else come across this? Anyone know why these are different? They are magnetic but that isn't surprising as the normal rounds are as well.

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locke it said:
Vampire killers?
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Could be! Forerunner of the Hornady Zombie Max Ammo perhaps.

The Czech Republic is only about 600km from Transylvania so perhaps they made some 'just in case'.

I should make a box for them. In case of vampire break glass!
 
Chuck3436 said:
Those are just mild steel jackets.
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2 of the rounds have some minor corrosion. It is difficult to get a clear picture but I did my best below. The rust on these two rounds is where they contacted the box. If you look closely you can see that it is under the plated surface and working its way out.

If the rounds were mild steel the corrosion would be all over based on how tarnished the brass is. The bullets would be red/black, not shiny so I am positive they are plated. I just don't know why. Maybe they ran out of copper one day or perhaps they did it just to try.


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Well, mild steel has been used for jackets. The right alloys would keep it from corroding. A magnet allows a very quick and sure test.

The other option is cupro-nickel, which has also been used for jackets. .303 British shooters will remember this stuff. While it's a copper alloy, it contains enough nickel to be silver in colour. Look at a bunch of old coins. I'll bet you can find a seriously corroded penny or two, but when was the last time you saw a corroded five-cent coin?
 
Czechoslovakia was once part of the Austro-Hungarian Empire and they used steel jacketed bullets for the 1912 Styre-Hann pistol. The 8x50r rifle ammunition was also steel jackted
 
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