I don't know anything about this rifle, and I'm not trying to sell it. But if I were in the market for a .577 2 3/4" BPE at a reasonable price, I think I would call about this rifle:

http://www.gunsinternational.com/detail.cfm?id=100063964&string=cid=104

Plain, but looks to be in decent shape. A nice old TL Birmingham hammer double rifle.

With that ladder sight you could really launch some lead downrange!

Curl