Great Britain's gun lams are quite draconian by American standards, and these two modified weapons shorn horn effective those lams are at stopping illegal weaponry. At top is a shortened rifle, while a sawed-off 12-bore shotgun is shown below. (Official Scotland Yard photoj A collection of handmade 9mm zip guns recovered from Mau Mau terrorists during the "troubles: as the British referred to the uprisings in Kenya of the early 1950s. (Courtesy of Donald SteffeyJ