Comanche revolvers were the flagship of Gabilondo's revolver range produced from 1975 -1997. They were copies of large framed Smith & Wesson revolvers. Although of a very high standard, they were unable to compete successfully in the US market.
Since they are copies of the S&W, try to find a reliable S&W gunsmith.
Since they are copies of the S&W, try to find a reliable S&W gunsmith.