GTA

All Springer/NP/PCP Air Gun Discussion General => PCP/CO2/HPA Air Gun Gates "The Darkside" => Topic started by: Booder98 on May 31, 2021, 02:58:47 AM

Title: QB78 bolt probe o-ring vanishing act
Post by: Booder98 on May 31, 2021, 02:58:47 AM
I was shooting this afternoon, and my previously accurate H&Ns went to $#!+; no group at 20 yards whatsoever.  I remembered reading on this forum somewhere that a leak at the bolt probe will puff up a kleenex.  I didn't need to waste a kleenex though - every time I shot it felt like I was blowing into my left hand.  I set the gun aside for later, and when I had some time to look at it I realized that the bolt probe o-ring was flat-out missing.  Dog must have ate it.

I guess o-ring tears I had mentally prepared myself for.  O-ring gone, not so much.