The limbsaver sharpshooter x-ring barrel dampener improves accuracy while also dampening barrel whip.Features consistent control muzzle movement during lock-up time for greater accuracy and tunes the vibration waves that affect shot grouping.Fits standard barrels with 1/2" to 7/8" diameters.Finish: BlackType: Barrel De-ResonatorModel: SharpshooterDimensions: .25"-.875"Size: Standard BarrelMaterial: Rubber