need help IDing a part

psubond

Private
Minuteman
Jul 16, 2012
73
13
45
i was changing my rem 700 xmark trigger to a timney and when i was installing the timney the solid pin in the picture fell out of the action (was tapping in the pins. any help on what that solid pin is from would be appreciated. i need to know if it's from the timney or the original trigger and what it is, can't see where it goes thanks a million

IMAG0519.jpg