Erich said:I am an attorney. I've been a prosecutor and am now an appellate criminal defense lawyer. I've never worked seriously in the civil arena.
Sure, anything can turn out to be a liability in court. A lot of juries have idiots on them, and a lot of civil lawyers are jerks who will bring suit on behalf of wrong-minded people without really thinking things through. No one can tell anyone how things will turn out in court.
I have had trigger work done on some of my guns, though, and my explanation would be, "This work was done in order to make my gun safer by making it more fit for accurate shooting, so that I wouldn't hit anything that I wasn't intending to hit. I had this trigger work done so that I could be more safe - I think all gun owners should be similarly responsible in ensuring their weapons function with precision."
Anyway, I've been doing this for over a dozen years (and I've worked on dozens and dozens of shooting cases, certainly over 100 - although not all of these were fatals), and I've never seen it come up in the criminal arena.
Thats pretty much what i have heard plus as long as mods are for better shootabilty and for safety beavertail grip or extended thumbsafety you should be ok
Where youll get into trouble is Pinning the grip safety on a 1911 or something like that where your disableing it