Proof Research Barrel Bolt .264 26 inch 8 Twist 4 Groove Cf Sendero Stainless Steel. These Rifle Barrels developed by Proof Research utilize match-grade carbon fiber construction to create a durable and lightweight barrel for your rifle. This Proof Research 26in Barrel is a match-grade carbon fiber-wrapped Rifle Barrel that offers increased accuracy durability and life. Unlike many of the cheaper carbon fiber barrels on the market these Proof Research 26in Rifle Barrels are rigorously tested and rigorously tested to ensure only the best quality material is used. Whether you need a replacement or want to build your own the Proof Research 26in Carbon Fiber Barrel is the right product to achieve your goals. Specifications for Proof Research 26 inch Carbon Fiber Rifle Barrel: Manufacturer: Proof Research Color: Silver Barrel Length: 26 in Barrel Material: Carbon Fiber Threads per Inch: Non Threaded Condition: New Features for Proof Research 26" Rifle Barrels: Up to 64percent lighter than traditional steel barrels of similar contour Match-grade accuracy Improved heat dissipation for cooler and longer-lasting barrels No point-of-impact shift during high-volume fire Reduced harmonic barrel vibration Unprecedented durability Package Contents: Proof Research 26 inch Barrel Car Proof Research 100929: Barrel Bolt 264 26 inch 8 Twist 4 Groove Cf Sendero