FEATURES:Caliber223 Rem 5.56 NATOStock FinishBlackActionSemi-AutoSightsFolding Front Tritium with RearCapacity10+1MuzzleThreadedGripsBlack PolymerHandRightOAL28.13"Receiver FinishBlackReceiver MaterialSteelSafetyLeverStock DescriptionFixed BullpupStock Finish Group BlackStock MaterialSyntheticTwist1:7"Weight8 lbsBarrel Description4150 Chrome Moly Vanadium Chrome-LinedBarrel FinishBlackBarrel Length18.50"