This Noveske Chainsaw Complete AR-15 Upper Assembly comes fully assembled and ready to drop onto any standard AR-15 lower receiver. The upper is a forged receiver from 7075-T6 with extended feed ramps. The upper is finished with Hardcoat type III anodizing. FeaturesIndividual serialized barrel for QC purposesHand polished Noveske Match ChamberBlack nitride Noveske marked forward assistNoveske Love Handle ambidextrous charging handleFeaturing anti-rotation interface with handguardPhosphate coated bolt carrier, full auto compatible, chrome lined carrier bore and keyProperly staked grade 8 American made gas key boltsPhosphate bolt made from Carpenter 158 heat treated steel MPI tested (magnetic particle inspected)Featuring M-LOK mounting positions every 45 degrees with picatinny 1913 top railLight weight American made steel barrel nut