[Cheese Man]

It is a spacer for the bolt. When the cylinder is in and forward, just slide the ring towards the receiver around the cylinder.

 

[Cheese Man]

I don't know, and I don't know anyone else who had one on theirs. I think it is old, because my rifle was something like 5-6 years old before I got it, 4 owners...

 

[Cheese Man]

Yeah, I don't know.

Fuzzy, it is normally glued in, but if the glue comes undone, then...

 

[Cheese Man]

No, now that you are in there, degreaser, clean EVERYTHING, and regrease and put it back together. Perfect.

 

[Cheese Man]

Yep.