No need for the hose and the tank! No trades. Please don’t ask if I take trades. Discounts available! If you want a similar build, don’t hesitate to hmu. I can build you your next dream rifle. This Polarstar build doesn’t need you to plug in an air hose to it, because it’s air is stored inside the buffer tube. This system is called the Wraith CO2 stock. It’s made by Wolverine. It takes a 12g CO2 cartridge. Every cartridge can last around 120 shots. The PSI can be adjusted by a set screw on top of the buffer tube. The engine used in this build is a Polarstar F2, the best HPA engine available on the market. The barrel assembly is r hopped 11.5 inch ZCI 6.02 tbb + prowin hop up chamber. It will give you a very good grouping at long range. The base gun is a close-to-new VFC hk416. There’s a minor scratch on the left side of the lower receiver. Aside from that, I didn’t see any noticeable cosmetic damage I built this rifle on April 1st 2023. The gun doesn’t come with the peq box, suppressor and the optics. Free shipping for blue pals