Faxon Match Series 18" Gunner 6.5 Grendel 416-R Stainless Steel 5R Button Rifled Nitride Barrel with Nickel Teflon Extension Faxon Match Series barrels are some of the best valued and high performing barrels in the industry. This 18" barrel chambered in 6.5 Grendel was made 100% in-house from 416R certified gun barrel quality stainless steel. The barrel has a hybrid 5R rifling, with lands opposite grooves and reduced sharp angles that reduces jacket deformation increasing velocity and easy cleaning. The barrel was Nitride treated inside and out and the extension is coated in Nickel Teflon with maintains incredible dry lubricity, corrosion resistance, and with the coating, tightens up fit between the extension and receiver. This barrel is ready for duty and will certainly provide an unrivaled performance.