Replace the small oring that goes on the aft side of the regulator seat holder.
Had this happen to me a couple months ago. Very odd, and I initially focused on the bolt seal as well due to the barrel leak. The aforementioned reg holder oring was crumbled. I guess I shouldn't complain though. It lasted about 8 years. I think what happens is the air can enter the air chamber through the reg pin assembly before the on/off get pushed down to catch the sear. In this scenario, slow recharge is a likely symptom as well. This one can be tricky to diagnose, as it leaks down the barrel with the trigger pulled which is usually the on/off top oring.
You could verify this by taking the grip panels off and holding the sear in a manner as to properly latch the bolt. Then air up. If you don't get the first shot pop, I think this will do it.
Mine was so bad, it would actually randomly burp, rolling balls out the barrel.
Last edited by nak81783; 07-21-2013 at 06:08 AM.
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