In 1987, a 22-year-old Venezuelan named Jorge Leon invented a small metal insert that could turn the Glock 17 semi-automatic pistol into a fully automatic machine gun with the flick of a switch. Leon ...
Add Yahoo as a preferred source to see more of our stories on Google. When Jorge Leon invented at the age of 22 a small device that turns Glock pistols into fully automatic weapons, he said he ...
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