Ian McCollum of Forgotten Weapons provides an expert overview of the 2.7mm Kolibri, the world's smallest production firearm. He details its blowback action, tiny detachable magazine (typically 5-6 rounds), and unique centerfire ammunition. Despite its size, the Kolibri is noted as being underpowered even for its era, primarily serving as a historical curiosity rather than a practical self-defense tool.
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