Caliber: 5.56 NATO | .223Twist Rate: 1/7 Button RifledMuzzle Device: A2 Flash HiderBarrel: 16", 4150 Steel, Government Profile, Black Nitride or Mil-Spec Phosphate Finish with Chrome LiningHandguard: Stag 15 13.5" SL M-LOK Handguard w/ or w/o QuadReceiver Material: Forged and Mil-Spec 7075 T6 Aluminum with Type 3 Hard Coat Anodizing
