When I did my 77 MKII trigger using This http://www.centerfirecentral.com/77trigger.html I did cut 1/4 turn of spring off then stone the spring to knock the sharp cut edge off the spring. It was a completely successful operation. Polishing did the trick with very little metal removal. I used 400 grit wet sanding paper for the polishing. This trigger Steel is not Hard so be careful.

The anti American Constitutional party (Democrat). Wants to dismantle your rights, limiting every aspect of your constitutional rights. Death by 1000 cuts is the tactic. Each cut bleeds constitutional rights to control you. Control is the goal.