The Rival Arms RA20G103D Precision V1 Drop-In Barrel for 9mm Luger delivers match-grade precision in a 4.49" stainless, PVD-finished barrel crafted from 416R stainless steel billet for Glock 17 Gen5. This drop-in barrel features a 1:10 twist with 6-groove rifling and a target crowned muzzle, designed to maximize accuracy and consistency across competitive and field use. The low-temperature vacuum PVD coating provides a durable barrier against wear and corrosion, enabling reliable performance in harsh environments, while the CNC-machined construction ensures superior durability and longevity. Each unit is individually hand inspected for accuracy, offering assurance for shooters seeking repeatable results without the need for gunsmithing. With a limited lifetime warranty, this barrelling option supports sustained, dependable performance in a compact, easy-to-install package, making it a compelling upgrade for Glock 17 Gen5 enthusiasts who demand enhanced precision, durability, and a seamless drop-in experience. Ideal for precision shooting, duty-ready practice, and high-accuracy day-to-day carry, this barrel integrates smoothly with existing components to unlock improved grouping and faster follow-up shots without modification or specialized tooling.