Polarstar UGS 33g Milspec CO2 Insert UKARA Package Information:

Package Information:

AK stock adapter x 1pc

which stands for CYMA Gas System

Constructed with lightweight durable polymer material weighing in at only

Polarstar UGS 33g Milspec CO2 Insert UKARA Package Information:Our CO2 inserts are manufactured for the UGS stock and have models for both the 12g and 33g disposable CO2 cartridges. By changing out the stock's rail you are able to reconfigure your UGS from running the standard 13 3000 HPA tank to a low profile, Milspec buffer tube sized cylinder so you can use Milspec AR buttstocks. So, you are probably wondering how many shots can you get out of these things? Based on an F2 running at 1. 5J w . 28g through a 6.