It's fine to give him hollow point ammunition. When transporting it in New Jersey just keep it in a closed and fastened container (ammor box), preferrable locked, and transport the container as far away from the driver as possible, as in a trunk if vehicle is so equipped.
http://www.njsp.org/about/fire_hollow.html
He can't use it in his 1911 for SD in public, though. Only at home and for sporting purposes.