300 Blackout upper. Noveske upper, forward assist, bolt carrier group, hand guard, stainless 10.5" Noveske barrel, pinned Noveske gas block. Geissele charging handle. Surefire Warcomp. About 50 rounds fired. Shoots supersonics without issue. Will need a can to fire subs. A few scuffs from building and accessories that were attached. $1300. May trade.