It is not just average voters who are frustrated with GOP's tone regarding immigration.

NPR reported Libre Initiative, a conservative Latino group funded by the Koch brothers, voiced its wariness of all the anti-immigration rhetoric in an open letter to fellow conservatives. The letter took aim at candidates that seek to reform the current immigration policy by calling for an end to birthright citizenship and implementing mass deportation.

"Such proposals are not in line with our principles and are not in the best interest of the country," reads the letter, penned by Daniel Garza, the executive director of Libre Initiative.

Ending birthright citizenship and the mass deportation of undocumented migrants are both reforms which have been proposed by the current leading Republican presidential candidate Donald Trump. In his list of positions regarding immigration, Trump also proposes a nationwide e-verification of migrants.

Trump is in no way the only GOP candidate calling for an end or a revaluation of birthright citizenship. Other conservative candidates on board with at least rethinking birthright citizenship include New Jersey Gov. Chris Christie, Wisconsin Gov. Scott Walker and Louisiana Gov. Bobby Jindal.

Garza has met the mounting anti-immigrant talk by standing firm with his organization against what he sees as an inappropriate response to the migrant situation.

"We will raise our voice against unrealistic, and what I feel are ineffective policies, that move us away from much needed reform," he said.

"If you're somebody who's proposing bad policies, we're going to call you out," Garza continued, adding, "We are going to stand on sound ideas and sound policy."

As alienating as Trump’s anti-immigration talk is to some, it does not seem to be hurting him with Latino Republicans. Newsbusters reports a recent poll conducted by Univision reveals Trump has a 34 percent favorability rating among Hispanic Republicans, compared to a 31 percent rating for Jeb Bush.