** FILE ** Smith and Wesson pistols are on display during the National Rifle Association's annual convention Friday, May 3, 2013, in Houston. (AP Photo/Steve Ueckert)

Photo by: Steve Ueckert

** FILE ** Smith and Wesson pistols are on display during the National Rifle Association's annual convention Friday, May 3, 2013, in Houston. (AP Photo/Steve Ueckert)