5.56 8" Pistol Gas AR15 Barrel- Nitride
• Chamber- 5.56 NATO
• Length- 8"
• Gas system- Pistol Length
• Gas Block Size- .750
• Threads- 1/2-28
• Finish- Nitride
• Twist- 1:7
• Material- 41V50 Chrome Moly Vanadium
• Weight- 16.53 OZ
• Extension- M4 Feed Ramps
• Marked for Caliber and Twist