Are there any cases of a small calibre bullet being fired into an

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How is it determined not only how much internal pressure a gun barrel can withstand but how much pressure a given bullet (lead, copper coated, tungsten, etc.) will create when fired?

Does a bullet rise after leaving the barrel? - Quora

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Is there such a thing as a bullet sleeve that would allow a smaller caliber bullet be fired from a larger caliber rifle? - Quora

What pushes the bullet from the casing into the barrel of a firearm? - Quora

After firing my gun (pistol) sometimes the cartridge stays in the barrel. Is the problem a substandard bullet or a barrel? - Quora

If two automatic weapons ( Uzi ) were pointed barrel to barrel so if either gun was fired the bullet would enter the others barrel. What would happen if both guns at

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Will a solid steel bullet, not casing, ruin the rifling of a barrel with one shot? I have found such rounds in clay pits. - Quora