CO2 Inserts Model:CGS 33g Velocity: 550fps w/

Velocity: 550fps w/

A good trick to help keep the shim in place while installing the engine is to smear a bit of grease on the back of the cylinder which will allow the shim to stick in place

Using a set of calipers and following the diagram below

The UGS™ regulator uses only 2 o-rings

Highly flexible rubber air line reinforced with a nylon braided sheath promotes maximum mobility while reducing the risk of kinking

CO2 Inserts Model:CGS 33g Velocity: 550fps w/Our CO2 inserts are manufactured for both the UGS and CGS stocks and have models for both the 12g and 33g disposable CO2 cartridges in either variant. However, the inserts have more uses than just being paired with one of these stocks. Since they are equipped with the same standard ASA threads that are on a HPA tank, they can also be threaded into a conventional regulator to make an extremely compact air rig. The only difference between the UGS and