I'm getting rid of all of 5.56 parts. This is a 10.5 5.56 upper, barrel from FN, has a brand new SLR adjustable gas block, TiN BGC, Aero charging handle, and SLGW Nox muzzle break, ~280 rounds through it. This upper includes Ammo that will not be sold separately. OPTIC NOT INCLUDED, BUT LISTED IN SEPARATE POST 660 rounds of M193 Winchester 80 rounds Underwood hollow points Cash, Cash App, Venmo. Please text 2088691401