The Rival Arms RA20G102D Precision Drop-In Barrel for Glock 17 Gen3-4 delivers top-tier accuracy and reliable performance in a rugged 4.49" stainless design with a fluted profile and threading for easy customization. Crafted from 416R stainless steel and precision polished, this match-grade drop-in barrel incorporates a low-temperature vacuum PVD coating to resist wear in demanding conditions, while the BORSLICK Boron Nitride DCD inner bore treatment minimizes heat and carbon buildup for consistent performance round after round. The 6-groove rifling enhances ignition reliability and shot-to-shot consistency, and the 1/2"-28 threading accommodates a wide range of aftermarket accessories such as suppressors and compensators, expanding your setup without sacrificing accuracy. A target crowned muzzle preserves velocity and reduces muzzle flash, making this barrel ideal for precision shooting, competition, and serious everyday carry where dependable performance matters. Installation is simple, with no gunsmith required, allowing you to upgrade your Glock 17 Gen3-4 quickly and confidently. With its stainless construction, premium coatings, and engineered interior treatment, this Rival Arms barrel is designed to maintain accuracy and durability through countless, demanding sessions.