NBS 6.5 Grendel, 20" Parkerized Spiral Fluted Heavy Barrel, 1:8 Twist, Rifle Length Gas System Barrel - 2100-B6.5RHB2018PSF

This NBS AR-15 20″ spiral fluted heavy parkerized 6.5 Grendel barrel has a rifle length gas system with a 1:8 twist. Our 6.5 Grendel parkerized 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: 3.5
• Length: 20″
• Profile: Heavy Barrel
• Twist: 1:8
• Finish: Parkerized
• Material: 4150 Chrome Moly Vanadium
• Thread Pitch: 5/8 x 24
• Caliber: 6.5 Grendel Type II
• Feed Ramp: M4
• Flutes: Spiral Flutes
• Gas System: Rifle
• Gas Block System: 0.750
• Gas Hole Diameter: 0.099
• Classification: Barrels
• Platform: AR-15
• Threaded: Threaded