Criterion Barrels 20in AR-15 HBAR Rifle Gas System Barrel Chrome-lined Parkerized

Criterion Barrels 20in AR-15 HBAR Rifle Gas System Barrel Chrome-lined Parkerized. 223 Remington and 5.56 NATO ammunition and can also safely fire 223 Remington and 5.56 NATO ammunition. Criterion AR-15 HBAR Match-Grade Rifle Barrels are chrome-lined internally for superior barrel life and corrosion resistance. When you need a barrel that will deliver superior rigidity and heat absorption or you need to find the sweet spot for rapid fire strings the HBAR barrel is an excellent choice. These barr