Attendees fire air rifles during the National Rifle Association (NRA) annual meeting in St. Louis, Missouri, U.S., on Sunday, April 15, 2012. Photographer: Daniel Acker
A security guard stands on the exhibition floor during the National Rifle Association (NRA) annual meeting in St. Louis, Missouri, U.S., on Sunday, April 15, 2012. Photographer: Daniel Acker
Attendees walk past the SAR Arms booth during the National Rifle Association (NRA) annual meeting in St. Louis, Missouri, U.S., on Sunday, April 15, 2012. Photographer: Daniel Acker
