• Chamber- 5.56 NATO
• Length- 12.5"
• Gas system- Mid Length
• Gas Block Size- .750
• Threads- 1/2x28
• Finish- Blasted Stainless
• Twist- 1:5
• Material- 416R Stainless
• Extension- M4 Feed Ramps
• Marked for Caliber and Twist
• Gas Block Dimple
• Weight- 1 lb 7 oz
• Fully Made In House From KAK Industry Produced Blanks
All Barrels Are Air Gauge Inspected For Correct Bore Size & Tolerances, completed barrels are inspected for proper headspace using calibrated gauging.