6.5 Grendal AR15 complete pistol upper receiver . Alexander arms 10 inch factory barrel. I decided to go over with the 18 inch barrel rifle and putting this up for sale or trade. Two boxes through it functions as it should and accurate. This will connect to any AR 15 lower.. Charging handle and BCG included……775.00 cash…..Trades??? S&W 5.7 Pistol plus cash…..sig 230 380acp plus cash. 16ga Browning shotgun…..Mine lab Gold monster. ….AR15 10mm…..CHECK OUT MY OTHER LISTINGS…