Polarstar UGS 33g Milspec CO2 Insert UKARA This chamber also has the

This chamber also has the adjustable feeding shaft as the chamber PRO

Package Information:

AK stock adapter x 1pc

Material: Rubber

Designed for use with 1913 Picatinny railed hand guards aka 20mm weaver rails

Polarstar UGS 33g Milspec CO2 Insert UKARA This chamber also has theOur 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.