YHM manufactures a large variety of barrels for all the popular calibers in many different configurations, so you can easily build your dream rifle. From 5.56 NATO with diamond flutes to 300 Blackout with a medium profile, you can easily find the right barrel for you and the right muzzle device to go along with it. Their barrels are made from high quality chrome moly steel and feature durable Melonite finishes. They also offer multiple barrel kits, so you can buy all that you need in one purchase, like the gas block, tube, and muzzle device.