(Elaine Thompson | The Associated Press) FILE- In this Oct. 2, 2018, file photo, a semi-automatic rifle, with "God Bless America" imprinted on it, is displayed for sale on the wall of a gun shop in Lynnwood, Wash. Starting Tuesday, Jan. 1, 2019, no one under the age of 21 in Washington state will be allowed to purchase a "semi-automatic assault rifle," under a voter-approved initiative that passed in November.