Helix 6 Precision 6mm Creedmoor RPR Ruger Pre-Fit barrel 24in - Black - Helix 6 Precision's carbon fiber pre-fit barrels for the Ruger RPR are designed for elite shooters and custom rifle builders seeking top-tier performance with easy installation. Each barrel is chambered and threaded for direct fitment, eliminating the need for a gunsmith. Built around a match-grade 416R stainless steel core, these barrels are button-rifled, hand-lapped, and wrapped using our proprietary carbon fiber process. Unlike traditional carbon barrels, Helix 6 barrels maintain point of impact (POI) during extended strings of fire, making them a go-to choice for precision marksmen, hunters, and competitors alike. Key Features: Pre-Fit for the Ruger RPR - Precision chambered and threaded for seamless installation. Match-Grade 416R Stainless Core - Button-rifled and lead-lapped for peak consistency. High Carbon, Low Resin Ratio - Superior thermal stability and performance. Hand Lead-Lapped - Delivers a consistent bore diameter and smooth finish. Minimal POI Shift - Maintains zero during extended strings of fire thanks to our proprietary carbon wrapping process. Muzzle Thread - 5/8-24