If he would betray his base on gun control, then he’ll betray his base on court appointments.
Except the evidence and there are over 100 data points, is that he has not. he has made over 100 nominations to the federal bench so far, and from that one can see he is the most pro 2A president in modern history.
https://www.npr.org/2019/08/05/7470...deral-courts-judicial-nominees-by-the-numbers