front sight folding sub

I was trying to replace the front sight post and accidently took out the other screw and the windage adjustment spring came out. I have no idea how it's supposed to be placed back in. Can someone help?!

So I have completed most of my Sub2K G1 mods and upgrades. It has a (rather cheap) light, using the factory plastic rail mount below the handguard. I added a Primary Arms red dot, with another picatinny rail that I cut into the handguard and fit around the barrel. It seems adequate to hold...