ELD Performance 18 6MM ARC, Mid Gas, Medium Profile, 1:7.5T, .750 Gas Journal, 5/8x24, 4150 CrMoV, Nitride Finish, Type 2 Chamber

This barrel is 18-inches long and chambered for 6MM ARC. This rifle length barrel has a 1:7.5 twist rate and is crafted from 4150 CMV with a black nitride finish. It has a medium profile and operates on a mid length gas system

DTT AR-15 6MM ARC Lightshow II - Gold Upper Build Kit

Wilson Arms AR-15 20 6.5 Grendel Rifle Gas Hbar 1-8T Stainl

Tactical Kinetics 18 inch AR-15 6mm ARC Melonite Barrel

ELD Performance 18 6MM ARC, Mid Gas, Medium Profile, 1:7.5T, .750

MMC Armory - Firearm Barrels

ELD Performance 18 6MM ARC, Mid Gas, Medium Profile, 1:7.5T, .750 Gas Journal, 5/8x24, 4150 CrMoV, Nitride Finish, Type 2 Chamber

18in 6mm ARCBarrel by Centurion Arms

DD AR-15 6MM ARC Ad Astra Upper Build Kit

Barrels

Davidson Defense 'Stellar Bay' 18-inch AR-15 6mm ARC Nitride Rifle

DD AR-15 6MM ARC Lightshow II - Black Upper Build Kit