Anybody have an idea how long the o-ring in the barrel of the S400 should last? (The one the bolt probe pushes the pellet through.)
I saw one guy at the shoot having to replace his during his stint.
Looks simply enough to do, just a bit tricky to get out.
I don't even have a good guess - 10 000 pellets? 20K? Also, should this o-ring have any kind of lube on it every now and again?