Comment by jonah

This reminds me about the Ukrainian Snipex Alligator sniper rifle I read about recently. It uses 14.5-millimeter heavy machine gun rounds and it's claimed to be able to penetrate 10mm steel armor at 1,500 meters.

https://www.popularmechanics.com/military/weapons/a41283557/...

https://snipex.com/alligator