Bruce Braley takes no stand on his website about anti-Second Amendment legislation being pushed in Congress. However, his views are now clear after he joined 162 other members of the House in signing a letter to John Boehner calling for the passage of anti-Second Amendment legislation.
http://shea-porter.house.gov/sites/shea-porter.house.gov/files/2014.06.26_Letter_to_Boehner.pdf
http://shea-porter.house.gov/sites/shea-porter.house.gov/files/2014.06.26_Letter_to_Boehner.pdf