TargetTalk

I picked up a replacement white seal from the broker I got the gun from but would definitely be interested in a spare blue.

I just picked up a 300S and noticed a wax-like conical breach seal that was starting to fall apart (prol the orig 30yo seal ;) ).

Anyone find these as a separate replacement part domestically?

I think the problem was related to lubrication as I cleaned out all the oem goo in the back half and re-lubed with some synthetic (along with working some into the valve seat) and the leak is gone. Nice to see all the online diagrams/how-to's to disassemble, unfortunate that I needed them so soon.

I went ahead and disassembled the innards of the compression chamber and re-lubed with some synthetic grease. Was optimistic when my first 15rounds were at full pressure, then the now familiar leak resurected itself. Doing some research, the valve itself has been know to crud up easily, especially w...

I put a short video of what I'm talking about on YouTube (first time at this so isn't real nice). http://www.youtube.com/watch?v=dY3NUvLPFWo I did listen/feel on and around the breach, and was no air escaping. Can see from the vid that once the breech is closed, it's obviously leaking. Regarding lub...

With only ~1000 rounds through the pistol, you should be ready for your first (perhaps second) lubrication of the piston seal Thanks for the reply. Would the piston seal's performance have relation to whether the breech was locked down or not? I ask as with the breech in the locked up position, it ...

I've 6 months and maybe 1000 rounds thru my IZZY but have recently been experiencing intermittant velosity dropoffs due to a leak at the breach. With the breach open and the compression cylinder charged it holds air fine. Once I close and lock the breech, I hear a whisper comming from under the brea...