6.5 Grendel, 18" Stainless Straight Fluted Heavy Barrel, 1:8 Twist, Mid Length

6.5 Grendel, 18" Stainless Straight Fluted Heavy Barrel, 1:8 Twist, Mid Length This 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. 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