Ask the Community

Yes the barrel is 4159 CMV Barrel Material: 4150 CMV Manufacturer: Colt •Model: AR15A4 •Caliber: 5.56x45mm NATO •Capacity: 30+1 •Barrel: 20" Chrome-Lined Barrel •Overall Length: 39.5" •Upper Receiver Material: 7075-T6 Aluminum •Upper Receiver Finish: Black Hardcoat Anodized ****************8•Barrel Material: 4150 CMV**************** •Barrel Finish: Manganese Phosphate •Barrel Twist Rate: 1:7" RH •Grooves: 6 Grooves •Lower Receiver Material: 7075-T6 Aluminum •Lower Receiver Finish: Black Hardcoat Anodized •Front Sight: A2 Fixed Front Sight •Rear Sight: Detachable Carry Handle •Trigger Type: Single Stage •Grip: Government A2 Grip •Operating System: Direct Gas Impingement

James, yes, This barrel is machined from 4150 Chrome-Moly Vanadium Steel, the Colt AR-15 A4 Barrel is Chrome-Lined to extend bore life. (Barrel Finish: Manganese Phosphate - Barrel Twist Rate: 1:7" RH •Grooves: 6 Grooves)

Yes the barrel is 4159 CMV Barrel Material: 4150 CMV Manufacturer: Colt •Model: AR15A4 •Caliber: 5.56x45mm NATO •Capacity: 30+1 •Barrel: 20" Chrome-Lined Barrel •Overall Length: 39.5" •Upper Receiver Material: 7075-T6 Aluminum •Upper Receiver Finish: Black Hardcoat Anodized ****************8•Barrel Material: 4150 CMV**************** •Barrel Finish: Manganese Phosphate •Barrel Twist Rate: 1:7" RH •Grooves: 6 Grooves •Lower Receiver Material: 7075-T6 Aluminum •Lower Receiver Finish: Black Hardcoat Anodized •Front Sight: A2 Fixed Front Sight •Rear Sight: Detachable Carry Handle •Trigger Type: Single Stage •Grip: Government A2 Grip •Operating System: Direct Gas Impingement