After seeing the review in American Rifleman this month I took it upon myself to contact armalite about chances of a mass legal version of the AR-24 and here is the surprisingly optomistic reply:
We have passed the certification process for our pistols to be sold in Massachusetts. We’re now waiting for the certificate to be mailed to us. Hope this helps.
Tech Support / Customer Service
Armalite Inc
745 S. Hanford Street