The Lantac Dragon Plan-B LNG Muzzle Brake is designed for 6mm ARC caliber rifles and features a unique patented design. This muzzle brake measures 6.95 inches in length and is finished in black. Its Short Energy Pulse system is engineered to reduce recoil length, allowing for better control during rapid fire.Key FeaturesCaliber/Gauge: Specifically designed for 6mm ARC rifles.Length: At 6.95 inches, it provides an optimized profile for muzzle control.Thread Pattern: Compatible with 5/8X24 thread specifications.