Proof Research Bolt Action Pre-Fit 6.5 Creedmoor Barrel 20in 1:8 Stainless Sig Cross

The Proof Research 134535 Bolt Action Barrel Pre-Fit for 6.5 Creedmoor delivers a precision-focused upgrade to your Sig Cross, combining a 20" stainless steel barrel with a 1:8" twist (5 groove) and 5/8"-24 thread pitch for effortless installation and reliable performance. This drop-in design is engineered for seamless compatibility with Sig Cross receivers, enabling quick swaps without compromising accuracy or consistency. The pre-fit construction streamlines the build process while maintaining the robust reliability expected from Proof Research, giving shooters a durable, high-accuracy solution for long-range hunting, tactical scenarios, or precision rifle training. The stainless finish not only provides a clean, corrosion-resistant appearance but also contributes to steady bore integrity under varied field conditions. With a 20" length optimized for balanced velocity and maneuverability in field deployments, this barrel supports stable harmonics and repeatable groupings, making it an excellent choice for serious 6.5 Creedmoor enthusiasts who demand performance from a ready-to-install, drop-in option.