Originally Posted by
rovercoupe
Hi i think your half right.... I pulled the old o rings and had a look at testing with some generic ones that fit and i have noticed a scratch where the o ring sits and down the side of the chamber which has turned out to be a crack in the transfer cylinder, to finish off the outer transfer cylinder seal has cracked too.
Time for more parts from chambers and hope this is where the air is going.
I am amazed that the part that stops the piston is plastic, makes sense to never dry fire these!
that'll leak 
Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
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