The Douglas 7MM 1-9 Twist CM #1 Contour Ultra Rifled Barrel delivers precision performance for serious rifle builders and hunters seeking superior stability and velocity in pursuit of long-range accuracy, featuring a Chrome Moly Steel construction with a #1 contour and an Ultra Rifled finish to optimize bullet stabilization in 7mm performance. This barrel is chambered for the AAJ_284/7 mm (.284) caliber and employs a 1-9 twist rate, providing excellent stabilization for a wide range of 7mm projectiles while maintaining clean bore performance and consistent muzzle velocity. The #1 contour balances stiffness and weight, enabling quicker follow-up shots and enhanced handling in field conditions, whether youre dialing in load development, tuning for precision matches, or building a versatile big-game rifle. With Douglas engineering and a robust chrome-moly complexion, this barrel supports high-round durability, corrosion resistance in rugged environments, and dependable accuracy across an array of hunting applications and target shooting disciplines. Its combination of metallurgical integrity and specialized rifling geometry helps shooters achieve tight groupings at practical ranges, making it a reliable choice for custom builds that demand consistent performance, repeatable results, and a refined shooting experience.