Coming using a one/two x 36 thread pitch, it's the radial fluting that stands out to us. Eight body weight lessening flutes give the KVP linear compensator style and design the chance to acquire and redirect all muzzle gases ahead and from the shooter. We suggest an experienced gunsmith put https://gunsandammunation.com/shop/beretta-typhoon-muzzle-brake-1-2x28-9mm/