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 TrumpTrump pushes back on recent polling data, says internal numbers are 'strongest we've had so far' Illinois state lawmaker apologizes for photos depicting mock assassination of Trump Scaramucci assembling team of former Cabinet members to speak out against Trump 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 Cruz3 real problems Republicans need to address to win in 2020 The Hill's Morning Report - Trump on defense over economic jitters Democrats keen to take on Cornyn despite formidable challenges 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 ClintonTop Sanders adviser: Warren isn't competing for 'same pool of voters' Anti-Trump vets join Steyer group in pressing Democrats to impeach Trump Republicans plot comeback in New Jersey MORE.

“Obviously, if we see Hillary Clinton as president, it brings destruction,” he said. "The job that [President] Barack ObamaBarack Hussein Obama3 real problems Republicans need to address to win in 2020 Obama's high school basketball jersey sells for 0,000 at auction Dirty little wars and the law: Did Osama bin Laden win? 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.”