30-30 GFA Huckleberry Picatinny Rail Mounting Brackets

Used the original Buckhorn Sight dovetail groove to mount the front bracket and block to hold to the barrel. The back bracket is only held on with pressure from the front bracket, rail, and (sadly) a zip tie. Its not the best, but it gets the job done for what I needed (without taking to a gunsmith). The holes in the barrel are threaded with a thread not even the GFA company could say. One gentlemen on YouTube stated it was 10 40 thread pitch. Cannot find any bolt/screws, so I made this.