Over Barrel Shroud. Fits S&W threaded barrels and all other guns with a 1/2" 28 thread.
Quality made here in the USA of 6061 T6 aircraft aluminum. Item slips over the barrel giving it a very aggressive short barrel look and really sets off the look of the gun....very nice. This design also incorporates a muzzle brake front. Since this item is a muzzle brake it will extend your barrel 1.75" (Same distance as the standard bird cage brake)
Through Hole - 5/16" (for .223 and .22)