Word on the street is he is going after 21 and below sales as well. No clear on exact approach, to be put in NCIS bill.
Banning sales to under-21 will bring legal challenge over what constitutes a legal “adult”. Unintended consequences will be interesting.
http://www.freerepublic.com/focus/f-news/3638997/posts
“...The White House...backed off President Trump’s earlier call to raise the minimum age to purchase some guns to 21 years old from 18 years old. ...”