I just got off the phone with Ruger customer service about the gap under the front sight. The gap under mine is .019 and is one of the first things I noticed on an otherwise outstanding revolver. They said I was the first that had mentioned it and it was engineered that way. I explained to him about the way a dovetail should fit and does on every other gun on the market so he went and checked. I just don't think they had noticed. No need at all for a .019 gap under a dovetail sight and shows a lack of attention to detail. I think they will deal with it if they hear from us about it. The service rep was very nice and positive about constructive criticism. I did thank him for the long awaited production of this option in a GP100.