Quote Originally Posted by breakeyp View Post
Front sight appears to be factory re-positioned on 4 1/2 inch barrel that was shortened about 3/16 inch. Barrel was 4.5 inch based on comparison of patent information length and positioning markings compared to a factory 4.5 inch revolver.
Judging by the position on the barrel I think your front sight is no repositioned, it is too close to the muzzle due to the barrel being shortened.

Unless there are signs of silver solder or a locating slot cut into the barrel behind the existing sight location.