Looking for ice and corrosive anarchist gun at level 70 (the blue gun)

not sure if anybody still plays pre sequel or has these spare but looking for corrosive and ice anarchist gun (blue gun) at level 70 to go with my Nisha , got plently orange legendary’s if needed but reply if you can help me out as tried for few hours now on grinder and don’t get much luck with anarchist guns it seems! also on ps4 by the way.