I finally got my first 1911(s) this year. Kimber 5" Raptor and Springfield Range Officer 1. Does the inset screw on the trigger adjust the play/travel? 2. After much internet/reading research, I couldn't tell if there is much advantage to a full guide rod or not. My Kimber has a full one and my Springfield doesn't. Is it really a big deal? Wanna kill these ads? We can help!