Beretta A400 Xtreme Plus Shotguns Optifade 12gA400 Xtreme Plus The A400 Xtreme Plus stock now feature a soft comb, which reduces the felt recoil imparted to the shooters cheek even further. The A400 Xtreme Plus features Berettas exclusive Steelium Plus barrels, a first for hunting shotguns providing the best patterning possible from all hunting loads, along with further felt recoil mitigation. Further drawing from the competition world, the new A400 Xtreme Plus barrel features a step rib with an