Separate things. Black Panther activity in California led to Reagan passing some restrictions in that state. I'm referring to jurisprudence at the higher court levels, which generally did not support the very strong individual rights to gun ownership that you see stated as "basic" rights now. The popular (and largely in practice) understanding of what 2A means for an individual is pretty different today, and very expansive.

I believe that was Malcom X's whole stance and a major part of the argument that the Black Panthers had; and he died in 1965