For starters, only vote for pro 2nd Amendment judges and when this judge is up for re-election, make your voice heard in the voting booth.
A NYS Supreme Court Judge has a wide range of jurisdiction that impacts on our lives way beyond 2A issues. Intelligence, experience, and character far outweigh a person's position on any particular issue, and moreover, judges aren't allowed to run campaigns on issues.
And be thankful that in NYS we can carry in the voting booth, unlike in Florida where voters have to go unprotected while exercising the right to vote.