Gura's McDonald brief is in comment# 1 of this first link. Comment# 19 excerpts a NY Times' comment from the original 14th Amendment debate. Give me the old NY Times.
Experts square off on 'right to bear arms' (including Alan Gura from D.C. v. Heller)
NRA Files Brief in McDonald v. Chicago
Maersk Alabama crew repels another pirate attack - this time they had guns
State Constitutional Rights to Keep and Bear Arms Provisions N.B. CA, IA, MD, MN, NJ & NY need incorporation badly. IIRC, NY is supposed to cover RKBA in its civil rights law, but I've never come across it.
Thanks for the ping!