The Webley and Scott 700s are nice guns and they have factory 2-3/4" chambers. They are within your budget.
Most of them have integral strikers. There is absolutely nothing wrong with an integral striker-until it breaks. It then becomes a custom one-off repair for a very good gunsmith.
Think disc set strikes. When one breaks, you put another in, in the cab of the truck, using a Zippo for light, if needed.
I am told 700s exist with disc set strikers, but, I haven't seen one.
As to how often integral strikers break, I've seen one more (on a 12 gauge 700) then I needed to see.
Best,
Ted
