Possible nitrogen leak when firing
Hello to all. I need advise. MY 25 cal Vulcan has a noticeable leak of nitrogen on my cheek when I fire the gun. I noticed the pressure after a possible double chocking and discharge. Have noticed a 50FPS drop. Still very accurate. Love the Vulcan. What should I do?
Thanks,
Bill ❓ ❓ ❓
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See my post below
http://talonairgun.com/forum/viewtopic.php?f=54&t=33271
The barrel is not fully seated pull the barrel and check
Viewing 2 replies - 1 through 2 (of 2 total)
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Change the breech o-ring ❗
I have had two problems with cocking.
Either not fully cocking the hammer or not latching the bolt after cocking.
I know for a fact that failing to larch the bolt can cause the breech o-ring to be dislodged.
Upon the next cocking the o-ring may prevent proper breech setting and/or cause the O-ring to be cut and/or trimmed.
Such an o-ring often allows a little air to puff against your cheek.
I was about to re-install an o-ring after it blew nearly out of the breech but when rolling it with silicone between my fingers I could feel a cut across it upon close examination the outer edge had two placed where it had been trimed.
Replacement took care of abnormal changes of velocity.