Wikipedia:Reference desk/Archives/Miscellaneous/2018 March 3
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March 3[edit]
Identifying a cartridge (firearms)[edit]
Any clue what these could be? They look superficially similar to spent small-arms cartridges, about an inch in length, but 1) are empty inside, with no trace of soot and/or gunpowder; 2) have walls thicker than one would expect for a cartridge; 3) have an unusual tail-end that I can pull to extend a little bit, or push to compress back. The top photo is with the tail-end compressed, and the bottom one with it extended. --77.138.191.65 (talk) 16:14, 3 March 2018 (UTC)
- I cannot view the images. Nail gun cartridges? Akld guy (talk) 13:13, 4 March 2018 (UTC)
- You may be able to view them at http://archive.is/5YFMq
- No, they don't look like nail gun cartridges shown in that article. --77.138.191.65 (talk) 19:25, 4 March 2018 (UTC)
- Is there any kind of spike or protrusion inside at the bottom of the casing? Either at the center (I'm thinking caliber conversion sleeve) or at the edge (centerfire to rimfire adapter). 91.155.192.188 (talk) 13:32, 4 March 2018 (UTC)
- Quite the opposite: there is what looks like a tiny hole there at the center. Could there be an adapter like that? --77.138.191.65 (talk) 19:25, 4 March 2018 (UTC)
- Our resident firearms expert thinks that they're 9 mm training rounds. They have a little plastic head that tells you that you've been hit without actually making a hole in you, or you can use them for indoor shooting without making perforations in your house. This one looks fairly similar. Alansplodge (talk) 16:56, 5 March 2018 (UTC)
- Yes indeed, I googled for more examples of 9mm training rounds, and some of them look even more similar to mine. Thanks a lot for the help. --77.138.191.65 (talk) 06:00, 8 March 2018 (UTC)
- Our resident firearms expert thinks that they're 9 mm training rounds. They have a little plastic head that tells you that you've been hit without actually making a hole in you, or you can use them for indoor shooting without making perforations in your house. This one looks fairly similar. Alansplodge (talk) 16:56, 5 March 2018 (UTC)
- Quite the opposite: there is what looks like a tiny hole there at the center. Could there be an adapter like that? --77.138.191.65 (talk) 19:25, 4 March 2018 (UTC)