CowCow Enhanced 3L HopUp Chamber for TM Hi-CAPA/1911CCT 3L HopUp Chamber was constructed by aluminum 7075 with CNC machined. Its lightweight design and redesigned structure can provide extra support to the lower part of chamber. 3 "L" design drive a better accuracy and consistency with high durability and reliability which are double lock system on chamber and a lock on the hopup wheel. It can effectively hold the chamber to the frame tightly and lock the wheel on preset position to prevent loosen.