Coming with a one/two x 36 thread pitch, it's the radial fluting that stands out to us. 8 pounds lowering flutes give the KVP linear compensator design and style the ability to gather and redirect all muzzle gases forward and clear of the shooter. This Specific CX4 version We now https://gunsandammunation.com/shop/beretta-typhoon-muzzle-brake-1-2x28-9mm/