ATF seizes illegal rifles from gun shop SEATTLE POST-INTELLIGENCER STAFF AND NEWS SERVICES REDMOND -- Agents with the federal Bureau of Alcohol, Tobacco, Firearms and Explosives seized thousands of illegal rifles that could easily be converted into machine guns from a Redmond firearms business this week. Similar assault weapons can be found for sale on the Internet and in gun publications. The Chilean weapons imported by P.W. Arms were manufactured as shoulder-fire, gas-operated machine guns. No arrests have been made in the case.