CO2 Mag for GBBR

[Hata]

Just wonder, do I have to finish off whole CO2 canister before I can take it out? OR I can take it out even I haven't finished the whole canister?
I worry the canister will fly off once I unscrew the cap.

[pusangani]

Run it to the end, don't vent it as it's not good for the seals, open slowly so it'll seep out slowly, then contnue unscrewing it once it stops hissing

[GSK88]

Originally Posted by Hata

Just wonder, do I have to finish off whole CO2 canister before I can take it out? OR I can take it out even I haven't finished the whole canister?
I worry the canister will fly off once I unscrew the cap.

It won't fly out, it'll vent before you can unscrew it far enough. As Pus mentioned, it's not that good for the seals so let out slowly. I had zero problems just venting but that was with an air rifle.