Chamber- 5.56 NATO
• Gas system- Rifle length
• Gas Block Size- .750
• Threads- 1/2×28
• Finish- Phosphate with chrome lined bore and chamber
• Twist- 1:7
• Material- Cold Hammer Forged 41V50 Chrome Moly Vanadium
• Extension- M4 Feed Ramps
• Marked for Caliber and Twist
• Weight- 32.9 oz
• Barrel is Dimpled for Gas Block Set Screw
All Barrels Are Air Gauge Inspected for Correct Bore Size & Tolerances, completed Barrels are Inspected for Proper Headspace using Calibrated Gauging.








