Help with golden eagle m8879 shorty

[frazer900]

Hey guys so was taking apart my shorty shot gun to replace some o rings as leaking like a siv. And this peace fell out and can't figure out for the life of me where it goes.
Any help will be greatly appreciated.

 

[frazer900]

Up date I figured it out just can't figure out how to delete my thread

 

[BigStew]

Tell use what you did for future generations and leave the thread in place.