The Rival Arms RA20G101D Precision V1 Drop-In Barrel delivers unmatched accuracy and reliability for Glock 17 Gen3-4 pistols, built from high-quality 416R stainless steel and precision polished with a premium PVD coating in a durable stainless finish. This match-grade drop-in barrel provides consistent performance with its 6-groove rifling and a target crowned muzzle, ensuring clean, precise shot placement round after round. The low-temperature vacuum PVD coating creates a resilient barrier against wear and tear, even in the harshest environments, while the BORSLICK Boron Nitride DCD inner bore treatment resists heat and carbon buildup to maintain smooth velocity and reduced fouling. With its 9mm Luger caliber and 4.49" length, this barrel is designed for reliable operation, offering a seamless, no-gunsmith installation that preserves your firearms original geometry and ergonomics. Engineered to rival custom work, the RA20G101D pairs advanced surface engineering with a precision-fit design to enhance accuracy, prolong bore life, and improve overall performance during high-volume practice or demanding range sessions.