THIS ITEM IS NO LONGER IN STOCK AND IS LOCATED IN THE PAINTBALL GRAVEYARD. THE MANUFACTURER HAS DISCONTINUED THIS PRODUCT AND THERE IS NO CHANCE OF EVER RECEIVING IT. DO NOT PURCHASE THIS ITEM BECAUSE IT WILL NEVER SHIP OUT TO YOU!!! This section was built to let you read and learn about products from the past. The Archon bottom line kit lets you easily mount your vertical CO2 paintball tank onto the back of the gun. The Archon bottom line kit is very easy to install on your gun.