DOVER, Del. – Gun rights supporters – many carrying rifles and ammunition – gathered at state capitols across the U.S. on Saturday to push back against efforts to pass stricter gun-control laws.

From Delaware to Wyoming, hundreds gathered at peaceful protests to listen to speakers who warned that any restrictions on gun ownership or use eventually could lead to a ban on gun ownership, which is guaranteed under the Second Amendment.

“If you have a building and you take a brick out every so often, after a while you're not going to have a building,” said Westley Williams, who carried an AR-15 rifle as he joined about 100 people braving blustery weather in Cheyenne, Wyoming, in front of the state supreme court building.

Dave Gulya, one of the organizers of a rally in Augusta, Maine, said about 800 people showed up at the statehouse – a gun-free zone – to make the point that “we are law-abiding.”

Saturday's protests were planned in dozens of state capitols less than three weeks after hundreds of thousands marched in Washington, New York and elsewhere to demand tougher gun laws after the February school shooting in Parkland, Florida, that killed 17. Organizers of those protests demanded a ban on assault weapons and high-capacity magazines, and called for universal background checks on potential gun owners.

During a pro-gun-rights gathering in Atlanta on Saturday, more than a quarter of the estimated 160 rally-goers carried weapons, as well as flags and signs saying “Don't Tread On Me” as they listened to speakers talk about the right to bear arms. A few people wearing “Black Lives Matter” T-shirts showed up at the rally and made videos, but didn't interact with the rally-goers.

Protesters also showed up in Boston; Indianapolis; Montpelier,

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