Spring found in case - from P4?

[G35 Mass]

Good day. Long time lurker / first time poster.

Yesterday I found in my P4 case a spring, pictured below. I'm not sure if it's from the P4 or not.

It seems to be functioning fine and I can't locate where it would possibly come out of either the P4 or controller, but I figured I'd check with some of the experts.

Does anyone recognize it as being from the P4?

 

[frands1]

Other than springs in battery, I believe there are no other springs in phantom. I might be wrong though

 

[Sky Pirate]

Sorry but I can't resist it.

THAT is a little spring. it goes with the kind of summer we're having . . . small!