California's Assault Weapon Restrictions
California has strict banns, and regulations on "assault weapons". Most .50 BMG riffles are illegal, there are exceptions for weapons owned before June 1, 1989, and certain models that are listed by the DOJ. These must be registered. Sale and/or transfer of these weapons is illegal. Weapons that are military look alsikes, that are not on the DOJ roster, and can not chamber a .50 BMG can be owned and purchased. There are restrictions on "banned features" these weapons may have.
What is Assault Weapon Restrictions?
Some states have restrictions, banns, or require owners to register firearms they conceder to be "assault weapons". The definitions of an "assault weapon" varies widely from state to state. These definitions can include whether the gun is fully automatic, the magazine size it can carry, and others.
Other California firearm laws
Compare Assault Weapon Restrictions Nationwide