The Assault Weapons Ban of 2018 will prohibit the sale, transfer, production, and importation of:
· Semi-automatic rifles and pistols with a military-style feature that can accept a detachable magazine;
· Semi-automatic rifles with a fixed magazine that can hold more than 10 rounds;
· Semi-automatic shotguns with a military-style feature;
· Any ammunition feeding device that can hold more than 10 rounds;
· And 205 specifically-named and listed firearms.
I guess you're OK if you own a Mauser broomhandle pistol.