washington backlash bump stock gun accessories enable rifle turn rapid-fire gun grow u.s. congress thursday house speaker paul ryan open door possible debate control devices clearly something need look ryan tell radio talk show host hugh hewitt refer accessories add many lawmakers republican-controlled congress aware devices exist excerpt interview air msnbc national rifle association powerful opponent gun control initiatives far silent whether would support oppose efforts congress ban control bump stock shoot rampage sunday night las vegas kill 58 people wound nearly 500 deadly mass shoot modern u.s. history reignite debate around regulation firearms officials say 12 rifle authorities recover hotel suite las vegas use gunman stephen paddock fit bump stock allow gun fire almost though automatic weapons even know week ryan say refer bump stock think quickly come speed be ryan lead republicans embrace specific legislation however house speaker remark follow call wednesday u.s. senate republican john cornyn lawmakers investigate bump stock democrats push ban devices thursday republican house judiciary committee chairman bob goodlatte also say matter look house democratic leader nancy pelosi say weekly press conference congress promptly pass legislation toughen background check gun buyers also tout democratic legislation stop bump stock hopefully bring floor least pass bill ban something enable shooter spray murderous automatic fire innocent people pelosi say republican representative carlos curbelo prepare measure ban ownership manufacture transport devices say grow bipartisan consensus caution assume legislative win certain let get ahead hope breakthrough curbelo tell reporters add think blatant exploitation law circumvention law indeed republican senator dean heller could face tough re-election fight next year tell fox news go conversation let clear interest water second amendment republicans democrats generally reluctant push tight control firearms ownership protect second amendment u.s. constitution automatic weapons largely illegal decades bump stock devices offer way around democratic senator dianne feinstein call bump stock ban representative david cicilline also democrat propose ban house bill say 148 co-sponsors none republicans tell cnn although talk five six conservatives seek support interview ryan air msnbc top house republican give detail action republican-controlled house might take toward bump stock devices timeline would legislative step republicans also control senate white house congress need examine gun 'bump stock devices house speaker