The Rival Arms RA20G301A Precision V1 Drop-In Barrel for Glock 43 delivers match-grade performance in a ready-to-install package, crafted from 416R stainless steel and finished with a durable Black PVD coating to resist wear in demanding conditions. This 9mm Luger barrel features a precise 1:10 twist with six grooves and a target crowned muzzle, engineered to optimize accuracy and muzzle control while delivering consistent, repeatable groups. Each barrel is CNC-machined from premium stainless billet for superior corrosion resistance and durability, then finished with low-temperature vacuum PVD to form a protective barrier against heat and wear in high-volume or rugged environments. The BORSLICK Boron Nitride DCD inner bore treatment helps reduce heat and carbon buildup, promoting cleaner runs and longer barrel life between cleanings. Hand inspected for accuracy and designed for easy, no gunsmith installation, the Precision V1 Drop-In Barrel combines reliability with performance-minded construction, backed by a limited lifetime warranty. Ideal for shooters seeking improved precision, faster follow-up shots, and enhanced consistency in Glock 43 applications.