Description: The new CORE universal Tactical Drop-Forward is designed to accommodate any size tank or air configuration. Its unique slide rail system allows you to move the weight of your tank to different locations to better balance your marker. With a tank input pressure gauge & on/off located directly on your cradle this setup is optimum for decreasing wasted air. Other features include: unique slide function to achieve better balance; tank input psi gauge; cradle mounted On/Off valve; and will accommodate an inline or offset bottomline hole pattern. Does not fit Spyder markers.