AR-15 5.56/.223 16" stainless steel tactical bull upper assembly includes:
Barrel - 16" 416 stainless steel bull barrel. Chambered in 5.56 nato (also accepts .223 rounds). Hardened to 26-32 rc and stress releived. 1-9 rh twist 6 groove button rifled. .936 under gas block. Target crowned. M4 feedramps.
A3 flat top upper receiver - made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to Gov. Specs. Forward assist and dust cover installed. M4 feedramps.
Gas system - low profile stainless steel gas block. Carbine length gas tube.
Handguards - mid-length keymod free float handguard. Made from aircraft quality aluminum and black hard coat anodized.
Does not include BCG and/or Charging Handle. CA and NY compliant.