Overview Reviews Product Description Ballistic Advantage Hbar, M4, Barrel, 556nato, 16", 1:7, Bead Blasted Babl556017mModel: HBARProduct Type: BarrelFinish/Color: Bead BlastedCaliber: 556NATO Product Videos Custom Field Product Reviews Write a Review Write a Review × Ballistic Advantage Ballistic Bbl 5.56 16" Hbar Mid 1/7 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *