A foldable or folding machine gun (or FMG) is a type of submachine gun designed to be folded for concealed carry and can often be disguised.
Examples of foldable machine guns include:
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Last revised Jun 28, 2026
Foldable machine gun
A foldable or folding machine gun is a type of submachine gun designed to be folded for concealed carry and can often be disguised.