Hey guy's, I need some help with my new build. I'm finishing up the build with these last parts.\n\nFirst question is about the spring. (I think I know, but wanna make sure) The compressed end goes over the spring guide... right? \nLaylax spring\n\n\nSecond question is about the zero tigger and piston. The piston came with a set-screw in the bag. What is that for? And where does it go? \nLaylax zero tigger and 90* oranage piston\n\n\nI looked around and could not find those answers.