The Sharpshooter X-Ring Barrel Deresonator Is A Unique Barrel Accessory Manufactured From NAVCOM (Noise And Vibration Control Material) That Helps To Improve Your Accuracy And Tighten Groups By Dampening Barrel Whip.  When Installed And Placed On The Barrel's "Sweet Spot", The Sharpshooter X-Ring Will Help Delay Barrel Whip, Resulting In The Shooter Achieving Tighter And More Consistent Groups.