I have a scoped rifle in .308 in a strategic look-out place on the second floor of my home for just such a situation.
Believe me, Feinstein wants your scoped rifle (and mine) for exactly the reason you give: for these goblins, personal defense is not sufficient justification for owning guns and besides, that’s not a rifle, it’s a “medium range sniper weapon” and they think it should be banned.