I have a 1989 Delta Elite that is not a safe queen, but is in good condition overall. It has a set of long dead night sights otherwise it is completely factory issued. The front sight is staked on and the rear is the GI sized dovetail so that eliminates many choices in sights.
Being a Colt, I know that there is some collector value, but if a shop like Novak’s mills a front dovetail and a rear useable dovetail would that be ruining the value? I’m not looking to sell but you hear of stories where someone changed parts and now it’s worth half or less.
Again I’m not a white gloved collector but I shoot it and take pride in owning in. This particular pistol is not a tool to me. I realize there is value in having it the way you want it set up too
As far as I'm concerned milling a dovetail for the front sight would INCREASE the value of the pistol. I've had this done to all my 1911s that didn't come that way from the factory. Losing a staked front sight in the middle of a heated match is a BIG disappointment.