o-rings for co2

[Dave]

Sorry if I'm posting in the wrong section.

I recently bought a Drulov condor pistol, after removing the first co2 bulb I found the o-ring on the cap to be twice the size it was when I loaded the co2bulb. I managed to get some replacements from my local gun shop, but after each bulb the same is happening.

:confused:Are there different types o-rings for co2 pistols?
:confused:Do I need to to treat the o-rings with something before use?
:confused:Am I missing some other problem?

Thanx in advance.

[Dave]

Any ideas / educated guesses?

[Jerry Cornelius]

Ordinary O ring material absorbs CO2 and swells. I'm afraid I can't remember the name of the stuff they make CO2 rings out of.

[jonno1972]

Try sportsman gun centre, I got a set for mine for £2, had to wait a while though.

[CRX]

Hi Dave,
Contact Lawrie Amatruda on here, he is an expert on CO2 guns.
Regards
Robin.

[Dave]

Thanks for your replies guys, much appreciated.