I will try to get this done asap. Is this in order to mod the brake or the barrel?
Had to do this to put the Choate sight/brake on my Mini-30:
Get the thing on straight and as far as it will go.
Use a needle file slightly smaller than the hole in the sight to cut a new notch. File through the hole in the sight Just go slow. File till the notch matches the hole. Insert pin.
If you ever pull the thing off and go back to the original sight you will see the new notch. With the Choate model, the new notch would be covered by the factory sight.
You are more than welcome to bring it by. I have all the measuring stuff in the world, and some pretty big metal cutting machines. I should have a little time early next week.
I may try this, but I am not sure I could get this on straight and keep it there while I file.
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