appellant brief: https://www.dropbox.com/s/sc25jy66tbxngwt/Gould%20v.%20O%27Leary%20Appellant%20Brief.pdf?dl=0
Brief of AZ and 18 states: https://www.dropbox.com/s/ej1i81wjk2mwgz1/Gould%20v.%20O%27Leary%20States%20Amici.pdf?dl=0
NRA Brief...
TL;DR - MA imposed an infringement that required handguns sold in MA to have "load indicators". Glocks do have an indicator, though one that isn't 'plainly visible'. Two dealers sued the state. The SAF tried to join the case, but the court found that they didn't have standing...
Even in deep blue MA, more people are obtaining firearms and carry permits. Roughly 1 in 14 adults there can legally carry a firearm.
http://wwlp.com/2015/11/10/i-team-guns-licenses-jump-by-66-in-massachusetts/
The story also goes on to note, which has been mentioned elsewhere, that more...