I believe the Abrahamic Covenant remains. One covenant does not necessarily negate another, and has not in this instance.
Your own church has issues with supercessionism, Cronos. If you wish to criticize on this point, you’re not on solid ground.
Your belief that the Abrahamic Covenant remains. One covenant does not necessarily negate another, and has not in this instance. is exactly what The Church believes, namely that "the gifts and the call of God are irrevocable.
Now, I'm pointing out how Dr. Eckleburg's OPC believes the opposite. Sticking to that point, they deny that the Jews still hold the sonship.
This is specifically a doctrine of the tiny 20,000 member cult of DR. Eck's, the Orthodo Presbyterian Cult