Comments by "XtreeM FaiL" (@XtreeM_FaiL) on "The World's Fastest Bullet, 1 Mile Per Second!!!" video.

  1. What you would do? You would replace barrels often. Fast bullets love to eat riflings.
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  2.  @spiderham6353  Is that so? Well ok them. Btw. what metal the bullet jacket is not made of?
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