You can’t... executive orders are just that, orders by the executive to the agencies under the executive branches control, they can direct agencies to do things, but those orders do not flow through to the general population.
So, he could no more BAN a type of gun by executive order, than he could make someone fart on demand.
This guy is showing he doesn’t understand the most fundamental and basic aspects of the job he is applying for.
Dude’s a lady.
“He” is a LIEberal dingbat “she!”