NBS 6.5 Grendel, 18" Stainless Straight Fluted Heavy Barrel, 1:8 Twist, Mid Length Gas System - 1487-B6.5MHB1818(SSF)

This NBS AR-15 18″ heavy straight fluted stainless 6.5 Grendel barrel has a mid length gas system with a 1:8 twist. Our 6.5 Grendel stainless rifle barrels are made from the finest 416R stainless steel 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: 2.8
• Length: 18″
• Profile: Heavy Barrel
• Twist: 1:8
• Finish: Stainless
• Material: 416R Stainless Steel
• Thread Pitch: 5/8 x 24
• Caliber: 6.5 Grendel Type II
• Feed Ramp: M4
• Flutes: Straight Flutes
• Gas System: Mid Length
• Gas Block System: 0.750
• Gas Hole Diameter: 0.089
• Classification: Barrels
• Platform: AR-15
• Threaded: Threaded