Built from high-quality stainless steel, precision polished and treated with premium coatings, these barrels rival custom work and deliver the best in accuracy and performance, round after round. 6 groove rifling, low-temperature vacuum PVD coating creates a durable barrier against wear and tear even in the harshest environments, BORSLICK Boron Nitride DCD (Dynamic Compound Deposition) inner bore treatment resists heat and carbon buildup and a target crowned muzzle.