...Representatives from over a dozen gun rights organizations and shooting associations in California, Connecticut, Florida, Georgia, Illinois, Massachusetts, Missouri, New York, Nevada, New Hampshire, South Carolina, Texas and Virginia told TIME they have seen membership rise since the Feb. 14 shooting left 17 dead at Marjory Stoneman Douglas High School. And two people familiar with the workings of the NRA, who spoke on condition of anonymity because they weren’t authorized to discuss membership numbers, said that since the shooting the NRA has also seen more people than usual join, renew memberships or donate money as President Donald Trump and other Republican Party leaders have signaled an openness to gun control policies that are anathema to the powerful group. A spokesperson for the NRA, which says on its website that it has more than five million members, didn’t respond to requests for comment....

Dudley Brown, the president of the National Association for Gun Rights, estimated his organization — which claims more than 4.5 million “members and supporters” on its website — estimated online membership applications at his organization could have grown by 30% over the last week, a number he expected to rise after Trump this week called for comprehensive gun reform legislation, including raising the age limit for buying certain weapons to 21. The Connecticut Citizens Defense League, which has a membership of almost 29,000 people, said it typically gets 15 or 20 applications a week, but received almost 200 in the last week. Gun Owners of America, which says it has 1.5 million members, amassed “hundreds” of new members in the last week, according to an official at the organization familiar with membership numbers who spoke on condition of anonymity. The organization said it has seen it’s membership grow by thousands since the Las Vegas shooting last October. Don Turner, the President of the Nevada Firearms Coalition and NRA member, estimated membership renewals and requests had increased by 20 percent at his organization since Parkland, although this is an increase he said he did not witness after the shooting in Las Vegas....