First is a a brand new in box complete factory assembled Troy Alpha Upper in FDE. Includes 15" Flat Dark Earth Troy Alpha Battlerail with integrated front flip sight, melonited 16" 1/7 twist, mid length gas, 5.56 barrel with Medieval muzzle break. BCG and Charging handle are both troy. - $475 sold
Second is a brand new unfired SPR barrel assembly from PSA. Barrel is an 18" 416r stainless, 223 wylde chamber (shoots 223&5.56), 1/7 twist, rifle length gas system. Includes low profile gas block and rifle length gas tube.
All you will need is a muzzle device and barrel nut to mount to your upper receiver. - $175