Are red border weapons farmable in the weekly raid rotation?

[heavy ruin]

Im interested in farming red borders for vow, and since the raid is on rotation next week im wondering if i can farm the caretaker for instance over and over for red borders forbearance and cataclysmic, is it possible?

[brazen bronze]

it's rng
but you can do a weekly red border run with the hidden rooms to get 1 red border a week