Trivia: When Burt fires his BFG at the lone shrieker in front of the brick wall, he's firing a real version of the gun and using a slightly less devastating round than the in-movie version.
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Suggested correction: I do not understand this trivia at all. This is basically just saying that the movie is simulating the gunfire by using a less lethal or blank round, which is how virtually all movies handle guns. I don't see how this is trivia.
