NBS 6.5 Grendel, 16" Black Nitride M4 Barrel, 1:8 Twist, Carbine Length Gas System Barrel - 1119-B6.5CM41618(M)

This nbs AR-15 16″ Black Nitride M4 Contour barrel with a 1:8 twist rate and Carbine length gas system. Our 6.5 Grendel black nitride rifle barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. 

All finished barrels go through a 100% inspection process. Inspections Equipment includes CMMs and Air Gauges for the bores as well as visual and machine inspection.

We recommend Defender 107 gr., Federal Gold Medal Berger 130gr.

Specifications:

• Weight: 3.0
• Length: 16″
• Profile: M4 Contour
• Twist: 1:8
• Finish: Black Nitride
• Material: 4150 Chrome Moly Vanadium
• Thread Pitch: 5/8 x 24
• Caliber: 6.5 Grendel Type II
• Feed Ramp: M4
• Flutes: None
• Gas System: Carbine
• Gas Block System: 0.750
• Gas Hole Diameter: 0.070
• Classification: Barrels
• Platform: AR-15