Use fmj/tmj on tree rats. Hollow points and soft points are too destructive.
DIY trigger job with pics can be found here:
https://www.longrangehunting.com/threads/marlin-882-925-25-etc-trigger-mod-job.81505/Be careful polishing trigger/sear contact. There's very little metal there to begin with so if you take much material off, it will be become unusable.
