Where do you live so that we can advise you who to take your gun for repair. Selection of the proper gun repair person is paramount.

You should also note that since your Grant is a 1907 made gun it likely has Southgate ejector system which makes it easier to repair than the original series 1 and 2 Stephen Grant Jr. designed ejector system.

Also to help you in discussing the breakage with a gunsmith: Extractors are located in the barrels and they move the shotshell to the rear of the barrels when activated; the "ejectors" also known in the British gun trade as the "kickers" are in the fore-arm. The ejectors (kickers) when released upon opening the barrels after shooting contact the rear of the extractor shaft propelling (via spring tension) it rearward and of course ejecting the spent shotshell. I suspect that since you said your breakage is in the "thin" part your breakage is the thin part of the extractor shaft.

With the advent of micro TiG and laser welding the thin parts of extractor shafts can be welded and that may be best option for you. There are one or two micro TiG and laser welders that service the gun trade in the USA and your gunsmith should be familiar with these welding masters.

I just had a set of double gun cocking levers welded by one of the welding masters.



Kind Regards;
Stephen Howell