The rear sight on my MkIII has been 'pinned' with 3 punch marks on the rear sight. This sight has an adjusting screw for windage but will not budge. The rear sight is serialed to the rifle so I don't want to swap it for another. I've looked for replacements but this earlier sight seems to be rather hard to find and I'd prefer to keep this rifle as original as possible. I've run across some 'parts' rifles but they were too high priced and did not have the windage adjustable rear sight.
Is there anyway to return this to a condition that it is again windage adjustable without damaging the sight? I've applied some pressure but I know how easy it is to strip or break a small threaded piece like this so I've been hesitant to apply too much pressure.
This was a sporterized 1912 BSA MkIII that I'm returning to its original configuration. Pictures will follow once its conversion is completed.
"Besides that Mrs. Lincoln, how did you like the play?"
MkIII Rear Sight
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