The department also will issue proposed rules within 60 days that make clear that devices marketed as "stabilizing braces" will be subject to the National Firearms Act.
``I was basically under presidential threat without presidential security in terms of the number of threats I was getting,'' LaPierre said.
It was not immediately clear how many people were killed or injured in the incident.
Eight people were shot just after 11 p.m. Friday, Virginia Beach police said in a news release.
The second deadly U.S. mass shooting in a week is putting new pressure on President Joe Biden to deliver on the gun control promises he made as a candidate.
``In seconds, the lives of dozens of families, and the life of an American community, were changed forever,'' Biden said in a statement released Sunday.