• 10.5” 5.56mm CHF (Cold Hammer Forged) with 1:7 twist
• 5.56mm NATO Chamber
• Magnetic Particle Inspected
• Carbine gas tube length – included
• Noveske marked gas block: Low profile, .750” journal, pinned to barrel
• M4 barrel extension w/extended hand polished feed ramps
• ½”x28 muzzle threads
