AAT Billet ar9 complete ,takes glock mags and has last round catch built in the lower reciever ,a few things we did,  tf grip and stock pineapple brake ,AAT  blue takedown pins and Gravity ACH ambidextrous charging handle. MASSIVE MARKDOWN! We are tired of looking at this. Originally $1650 now $1100. Only 1 available. Alien Armory Tactical 3126 W.Clay St.Charles Missouri 63301 , WE DO SHIP NATIONWIDE!!!! REDACTED