Samuel L. Jackson took to Twitter to criticize President TrumpDonald John TrumpGrassley: Dems 'withheld information' on new Kavanaugh allegation Health advocates decry funding transfer over migrant children Groups plan mass walkout in support of Kavanaugh accuser MORE after he made repeated pushes for arming trained teachers as a way to address school shootings.

“Can someone that’s been in a Gunfight tell that Muthaf---- that’s Never been in a Gunfight, the flaws of his Arm The Teachers plan??!!” Jackson tweeted on Friday.

Trump tweeted on Thursday that highly trained teachers would serve as a deterrent to school shootings following the deadly attack at a Florida high school last week.

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The president called for 20 percent of teachers — with military or special training experience — to be allowed to carry concealed guns.

Student survivors of the Florida school shooting that left 17 people dead have led reignited calls for action on gun violence.

On Wednesday, Trump held a listening session at the White House with students and parents affected by school shootings to discuss solutions.

Speaking at the Conservative Political Action Conference on Friday, Trump doubled down on his proposal to arm teachers who have had firearms training. 

“The teachers and the coaches and other people in the building, the dean, the assistant principal, the principal, they love their people, they want to protect these kids,” Trump said.

Trump added of the suspected gunman: “A teacher would have shot the hell out of him."

Jackson and Trump have sparred before. In 2016, Jackson said Trump cheats at golf and that he received a surprise bill from Trump for being a member of one of his courses.