Funny. For me, the Remingtons looks right. I prefer the Remmy look over the Colts. I'm also puzzled by the "usable front sight" on the Remmy because it is dovetailed. I find all front sights usable. You mean it's usable because it is adjustable for windage? Also, the Uberti and some others may be dovetailed, but none of the Piettas (Remmys) I have are dovetailed, but, they can be filed/modified for minor windage and elevation adjustments. One could also say that the Colt's rear sight is better than the Remmy's because it can be filed/adjusted for elevation, no so much for the Remmy's. All in all, IMHO, it comes down to the style you like more that the functionality tradeoffs.
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