These are form a old "SoadStream" machine I had. It made carbonated water/pop form water.

Anyhoo...

They say Carbon Dioxide 250G E290 on them.

They are just over a foot long and 2 inches wide.

Here are some shots of them. I was wondering if they could be used on a CO2 rifle (like a QB78) if I could find some sort of adapter for the thread on them.

I tried to get some shots of the threads/connector...if measurements of better pictures are needed to answer my question, please ask.

The brass end says "T/W 0.89 KG G/W 1.19 KG

Is this Tear weight (weight of bottle) and full weight?? 1.19 KG