Rep. Steve Stockman threatened on Monday to defund the White House and potentially file impeachment charges if President Obama pushes forward with gun control measures without congressional approval.

The Texas Republican called Mr. Obama’s plans to skirt Congress and implement some controls administratively “an unconstitutional and unconscionable attack on the very founding principles of this republic.”

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“I will seek to thwart this action by any means necessary, including but not limited to eliminating funding for implementation, defunding the White House, and even filing articles of impeachment,” Mr. Stockman said.

Mr. Obama said at a press conference Monday that tracking data on guns that criminals use could be one item done administratively that would not have to go through Congress.

But Mr. Stockman said such executive action is “an existential threat to this nation.”

“Any proposal to abuse executive power and infringe upon gun rights must be repelled with the stiffest legislative force possible,” he said. “Under no circumstances whatsoever may the government take any action that disarms any peaceable person — much less without due process through an executive declaration without a vote of Congress or a ruling of a court.”

Mr. Obama said that any gun control measures would not infringe on law-abiding citizens’ Second Amendment rights.

“I think that those of us who look at this problem have repeatedly said that responsible gun owners, people who have a gun for protection, for hunting, for sportsmanship, they don’t have anything to worry about,” Mr. Obama said.