
** FILE ** NRA members listen to speakers during the NRA Annual Meeting of Members at the National Rifle Association's 142 Annual Meetings and Exhibits in the George R. Brown Convention Center Saturday, May 4, 2013, in Houston. (AP Photo/Houston Chronicle, Johnny Hanson)

** FILE ** NRA members listen to speakers during the NRA Annual Meeting of Members at the National Rifle Association's 142 Annual Meetings and Exhibits in the George R. Brown Convention Center Saturday, May 4, 2013, in Houston. (AP Photo/Houston Chronicle, Johnny Hanson)

With a little help, a child shoots an Airsoft gun at a target during NRA Youth Day events at the National Rifle Association's 142 Annual Meetings and Exhibits in the George R. Brown Convention Center Sunday, May 5, 2013, in Houston. More than 70,000 are expected to attend the event with more than 500 exhibitors represented. (AP Photo/Houston Chronicle, Johnny Hanson)

Exhibitors began setting up in preparation The National Rifle Association Annual Meetings on Wednesday, May 1, 2013, in Houston. The 2013 NRA Annual Meetings and Exhibits is scheduled to being Friday. (AP Photo/Houston Chronicle, Johnny Hanson)

Exhibitors began setting up in preparation The National Rifle Association Annual Meetings on Wednesday, May 1, 2013, in Houston. The 2013 NRA Annual Meetings and Exhibits is scheduled to being Friday. (AP Photo/Houston Chronicle, Johnny Hanson)

Exhibitors began setting up in preparation The National Rifle Association Annual Meetings on Wednesday, May 1, 2013, in Houston. The 2013 NRA Annual Meetings and Exhibits is scheduled to being Friday. (AP Photo/Houston Chronicle, Johnny Hanson)

Johnny Bass sets up the Henry Repeating Arms Company booth as exhibitors prepares for National Rifle Association Meetings and Exhibits at the George R. Brown Convention Center on Wednesday, May 1, 2013, in Houston. The 2013 NRA Annual Meetings and Exhibits is scheduled to being Friday. (AP Photo/Houston Chronicle, Johnny Hanson)

The National Rifle Association's 142 Annual Meetings and Exhibits logo is placed on the George R. Brown Convention Center by Lynn Creel, left, and Don Reynolds of Display Graphics Wednesday, May 1, 2013, in Houston. The nation’s chief gun rights lobby is gathering in Houston this weekend for its annual convention (AP Photo/Houston Chronicle,Johnny Hanson )

Barry Bailey and his wife, Judy, of DeRidder, La., leave after having their 1873 Winchester rifle appraised at the National Rifle Association's Antiques Guns and Gold Showcase on May 2, 2013, during the NRA's 142 Annual Meetings and Exhibits at the George R. Brown Convention Center in Houston. (Associated Press/Houston Chronicle)