The group called Rubio "a strong advocate for the rights of law-abiding gun owners."
A majority of Americans support pragmatic gun control measures.
"The horrific massacre in Orlando last weekend is only the latest example," it said.
Chris Cox said new gun regulations "will do nothing to prevent the next attack."
"No more guns to protect Hillary!” Trump tweeted.
But a reporter found several Trump-owned properties are gun-free.
“My sons have been members of the NRA for many, many years,” he said.
McConnell, Paul and Rubio are also scheduled to speak at the event in Louisville.
The gun lobby called into question his views on the Second Amendment.
Sen. Murphy said Obama's executive action on guns is "absolutely on firm legal ground."
Bush said Charlton Heston presented him a rifle in 2003.
Nevada Democrat John Oceguera announced he is dissociating himself from the organization.
Rep. McCarthy said it was too early to say whether Democrats should be punished.
Six in 10 Americans view Trump negatively.
Trump floated the idea of banning people on terror watchlists from buying guns.
Clinton spoke at a conference for women whose children have been killed by gun violence.
Paul said it is not wise to “pre-announce that you’re defenseless."
“If you would have had guns on the other side ... there wouldn’t have been 130 people killed."
The gun group is gathering for its annual conference in Louisville, Ky.
Smart guns are weapons that use technological safety features designed to prevent accidental...
Freedom Watch accuses Obama of circumventing Congress to “invent” new gun laws.
The gun rights group refused to attend Obama's Thursday night town hall on gun violence.
Gun control advocates say U.S. laws make it easy for terrorists to get firearms.
For all its flag waving, you'd think the sight of Americans dying would alter the NRA's...