Former Secretary of State Hillary Clinton wasted no time during Sunday night's Democratic presidential debate slamming Sen. Bernie Sanders (I-Vt.) for his record on gun control.

"I have made it clear, based on Sen. Sanders' own record, that he has voted with the National Rifle Association, the gun lobby, numerous times," she said.

Clinton accused Sanders of voting against the so-called Charleston loophole, a gun control provision that allowed the accused shooter of the Charleston church massacre to purchase his gun. She also charged that Sanders voted to let guns onto Amtrak trains, as well as in the National Park system.

Sanders dismissed the charges and said Clinton was being "very disingenuous."

On Saturday, the eve of the debate, Sanders distanced himself from a 2005 law he voted for that gave gun manufacturers and dealers legal immunity. His campaign, however, disputed the characterization that he had reversed himself on the issue.

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