Roy Moore pulls out gun while speaking at rally

Alabama Senate candidate Roy Moore pulled out a handgun during a campaign rally Monday night.

During the rally — which came just hours ahead of the Republican primary runoff Tuesday — Moore said he dealt with nearly three months of negative ads, ABC News reported.

"Ads that were completely false. That I don't believe in the Second Amendment," Moore, a former state Supreme Court chief justice, said.

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He then turned and pulled out a handgun, while saying: "I believe in the Second Amendment."

The comment was met with cheers from the audience.

Moore headed into Election Day leading in polls over Sen. Luther StrangeLuther Johnson StrangeDomestic influence campaigns borrow from Russia’s playbook Overnight Defense: Senate bucks Trump with Yemen war vote, resolution calling crown prince 'responsible' for Khashoggi killing | House briefing on Saudi Arabia fails to move needle | Inhofe casts doubt on Space Force Five things to watch in Mississippi Senate race MORE (R-Ala.), who has the backing of President Trump and Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellBudowsky: Pelosi can break shutdown stalemate GOP seeks to change narrative in shutdown fight On The Money: Shutdown Day 32 | Senate to vote on dueling funding measures | GOP looks to change narrative | Dems press Trump on recalled workers | Kudlow predicts economy will 'snap back' after shutdown MORE (R-Ky.).

Strange's allies had poured nearly $11 million into the race as of Friday, and Strange's campaign organization has outspent Moore by more than 300 percent.

The winner of the Tuesday runoff election will face Democrat Doug Jones in the December general election as Republican try to keep the seat vacated by Attorney General Jeff Sessions.

Trump on Monday said that if Alabama voters elected Moore, Democrats would win the general election for the seat.

Conservatives figures like 2008 GOP vice presidential nominee Sarah Palin and former White House chief strategist Stephen Bannon have backed Moore as an anti-establishment Republican.