Not sure about the CO2 itself, but I am HIGHLY displeased with the way they were shipped. I ordered 20 cartridges, and found received them crudely wrapped together with packing tape. When I removed the tape, heavy adhesive residue remained on ALL the cartridges. I expected more from ASGI's packing services. Do yourself a favor and just pick up a pack from your local sporting goods store instead.
I received all 20 that I ordered.
Packaging is crude and now I have to waste my time tediously cleaning each individual cartridge.
2012-12-16 08:55:23 G. VANDER DUSSEN verified buyer
For: 12g CO2 Cartridge
These are great co2 airoft GI did a great job at picking these ones out.
I would highly commend that you buy some.
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