M4 Carbine Barrel

• USGI 5.56mm Nato Chamber
• 16” (40.64cm) M4 Profiled Barrel
• Muzzle Threaded 1/2x28 With USGI A2 Flash Hider
• 1/7 Twist Rate
• Carbine Length Gas System
• M4 Feed Ramp Barrel Extension
• Manganese Phosphate Barrel Finish
• Mil-Spec F-Marked Forged Front

Bolt and Bolt Carrier

• Bolt Machined From Mil Spec Carpenter No.158® Steel
• Shot Peened Bolt
• Chrome Lined Carrier
• Staked Per Mil-Spec