• Chamber- 5.56 NATO
• Length- 16″
• Gas system- Carbine Length
• Gas Block Size- .875
• Threads- 1/2-28
• Finish- Nitride
• Twist- 1:7
• Material- 41V50 Chrome Moly Vanadium
• Extension- M4 Feed Ramps
• Marked for Caliber and Twist
• Gas Block Dimple
• Weight- OZ
• Fully Made In House From KAK Industry Produced Blanks
