It's no secret that the key to great accuracy is good training. After that, it often comes down to a match-grade barrel. 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. Threaded barrels and protectors use 1/2-28 threads for compatibility with after-market accessories like suppressors and compensators. 1:10 twist / 6 groove rifling PVD coating creates a durable barrier against wear CNC-machined from 4340H steel billet results in superior corrosion resistance and durability Target crowned muzzle Individually hand inspected No gunsmith required Limited lifetime warranty