Major in 2020. Sounds like a plan. Presuming he continues to hold in own, improve, might he be ready from some outside instruction to the extent that is not happening already.
I say this even if you are an accomplished shooter in that boys often can better accept/hear input from other “coaches” even when dad is saying the same thing. Food for thought.
Good on your from making him into the young man he is now and the man he will become.