11.5 inch ar pistol 5.56Aero precision upper and lower receivers. Aero precision bolt carrierGeissele railSB tactical sba3 pistol braceepsilon vg6 muzzle deviceGeissele ssa-e triggerGeissele 11.5 barrelMagpul MBUS sightsRifle has never been fired i put it together and kind of lost interest and turned my attention to building a bolt gun