Much larger caliber mounts aren't suitable with lesser caliber suppressors. Lesser caliber mounts ARE compatible with more substantial caliber suppressors. Compensator fitting is not really required for that compensator kit to operate. We match the compensator to obtain an in depth healthy appear with no more than a .003″ – https://gunsandammunation.com/shop/beretta-typhoon-muzzle-brake-1-2x28-9mm/