Rep. Trent FranksHarold (Trent) Trent FranksArizona New Members 2019 Cook shifts 8 House races toward Dems Freedom Caucus members see openings in leadership MORE (R-Ariz.) on Tuesday said that ire from everyday Republicans is fueling GOP presidential front-runner Donald TrumpDonald John TrumpGraham to introduce resolution condemning House impeachment inquiry Support for impeachment inches up in poll Fox News's Bret Baier calls Trump's attacks on media 'a problem' MORE.

“Mr. Trump is a product of rage among the Republican base,” he told host Neil Cavuto on Fox Business Network’s “Cavuto Coast to Coast." "Sometimes rage robs us of reason."

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Franks, who has endorsed Sen. Ted CruzRafael (Ted) Edward CruzPartisan squabbles endanger congressional response to Trump's course on Syria Trump urged to hire chief strategist for impeachment fight The Hill's Morning Report - Presented by Better Medicare Alliance - Trump's impeachment plea to Republicans MORE (R-Texas) for the presidency, criticized Trump, arguing he isn't a true conservative.

“He says, ‘Well, people can’t buy me.' Well, the truth is he’s spent the last 20 years trying to buy every politician that he’s come into contact with. I don’t know how you make that connection.”

Franks also argued that Trump’s fluid policy stances would make him an unpredictable Republican standard-bearer.

“He’s the ultimate insider,” he said of Trump. "He’s been on all sides of all issues. I’m very concerned for our country if we nominate him, because I think he brings chaos.”

Franks said he would still prefer Trump to Democratic presidential front-runner Hillary ClintonHillary Diane Rodham ClintonThe Memo: Trump 'lynching' firestorm is sign of things to come Hillary Clinton has said she'd consider 2020 race if she thought she could win: report Nielsen on leaving Trump administration: 'Saying no and refusing to do it myself was not going to be enough' MORE.

“Obviously, if we see Hillary Clinton as president, it brings destruction,” he said. "The job that [President] Barack ObamaBarack Hussein ObamaSusan Rice: Lindsey Graham is 'a piece of s--t' Brennan's CIA a subject of Barr's review of Russia investigation: report Singer Maggie Rogers speaks out after she was sexually harassed onstage MORE started will be completed under Hillary Clinton.

“If it comes down between Hillary Clinton and Donald Trump, as a conservative, I may not be able to trust Donald Trump to do the right thing, but I can definitely trust Mrs. Clinton to do the wrong thing, so, therefore, I would vote for Mr. Trump.”