Eric TrumpEric Frederick TrumpThe Hill's 12:30 Report: Biden expands lead in new national poll Eric, Lara Trump welcome second baby Trump tweets photo of Trump Tower in Greenland: 'I promise not to do this' MORE on Monday offered support for raising the federal age limit for purchasing assault weapons to 21.

"I'm a big Second Amendment person. I don't think it's a big deal if you raise the age to 21," he said during an interview on "Fox & Friends."

The president's son also said he thinks everybody would welcome more comprehensive background checks.

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"At least personally, I don't want to see a whack job get any kind of dangerous object of any kind," he said. "I don't want them buying a chainsaw. I don't want them buying a hammer. I probably don't want them buying a car because they can be just as deadly. I surely don't want them buying an assault rifle."

Support for raising the age limit for purchasing an assault weapon among Republicans has been growing since the mass shooting at a Florida high school earlier this month. It's one of several changes to law that President TrumpDonald John TrumpSarah Huckabee Sanders becomes Fox News contributor The US-Iranian scuffle over a ship is a sideshow to events in the Gulf South Korea: US, North Korea to resume nuclear talks 'soon' MORE is now advocating. 

Raising the age limit is opposed, however, by the National Rifle Association, which argues people aged 18 to 20 should not have their constitutional right to buy a guy infringed upon.