If I were doing it I would mount the front site in place and use a pin to scratch a mark on both sides where I was going to drill the hole. Then I would remove the sight and drill 1/2 way from each side until the holes met. Then mount the sight and drive the pin. I wouldn't drill the sight with it on the gun because you can "egg" the sight mounting hole(s) in the barrel.
Last edited by neiljrosen; 01-29-2010 at 09:03 AM.
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