This ruling supports all other gun control laws passed by the states or the Feds prohibiting types of firearms, ammunition, full capacity magazines, etc.
This is not a good ruling, as it supports infringing on 2A rights up to and including complete prohibition.
But then the decision went further to extend the equal protection of 2nd Amendment right to the illegals. In direct contrast to other Federal laws (18 U.S.C. § 922(g)(5), which forbids illegal immigrants from possessing firearms in the United States.