slick side pistol Caliber upper receiver 4.5 9mm Lightweight Profile Barrel MLOK Mounting interface Black nitride 9mm AR15 bolt carrier group. For use with a standard AR15 hammer Standard ar 15 MOE lower reciever with SBA brace and mean arms pmag kit to accept 9mm rounds. Lower reciever can be swapped out to any other milspec ar15. Gun is new/never used. Also have one with a dedicated 9mm lower that accepts glock mags and has a 50 round drum, 26 round mag and franklen armory bsf111 binary trigger 2082047569 Must be 21 or older, idaho resident and able to possess/own a firearm. No ffl transfer. Both would make great suppressor hosts, range toys and PDW's