Democratic New Mexico Sen. Martin Heinrich advocated age restricting a gun that does not exist on MSNBC Thursday.

Heinrich stated that he wants a ban on “gas-assisted receiver firearms.”

Host Kristen Welker had asked if Heinrich thought that “increasing age limits” on firearms were “a real possibility here with this president?”

Heinrich said in response:

There are a couple of things I can think of that I think are possible now. Increasing age limits. Certainly somebody who’s 18, 19, 20 years old shouldn’t be able to purchase an assault rifle, an AR-15 or other gas-assisted receiver firearms when they can’t buy a simple handgun, so that should be changed.

The only small problem is that this gun does not exist. There is no such thing as “gas-assisted receiver firearms.” Washington Free Beacon gun expert Stephen Gutowski assessed the matter on Twitter:

If you’re going to talk about gun control make sure you know your facts first.

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