Beretta A400 Xplor Kick Off Unit. The Beretta Kick-Off 3 is a third hydraulic damper that cushions this stress on the mechanical components and further reduces recoil by an additional 10percent for a total recoil reduction of 70percent. The Beretta A400 XPlor w/ Kick-Off Unit is the only recoil reduction system in the world that uses two hydraulic dampeners very similar to those in automobile suspensions. All the other systems on the market are based on the deformation of soft materials like rubber polyurethane or polymer inserts. The difference? 70percent less recoil than the nearest competitor. Fits on specific kick off stocks for A400 Xplor and Perennia. Recoil Pad sold separately. Specifications for Beretta A400 Xplor Kick Off Unit Recoil Dampener: Manufacturer: Beretta Condition: New Package Contents: Beretta A400 Xplor Kick Off Unit Beretta C88306: A400 Xplor Kick Off Unit