After reading up a little bit on the the whole "Whisper" cartridge thing, it's sunk into my head that I need to use some ridiculously big bullets to terminate gophers with! 
The .510 Whispers use expensive brass, expensive bullets, expensive actions and an exotic chamber. I like that it uses big ass bullets, miserly little powder, can be subsonic, is accurate, and produces light recoil though.
Can anybody recommend a rifle/caliber that:
1) can use 200+ grain cast lead bullets (bigger would be better!)
2) is gopher accurate to 100 yards (perhaps not with cast bullets?)
3) uses relatively little powder (subsonic would be a plus, but not req.)
4) doesn't hurt to shoot a hundred rounds out of
5) would be fairly inexpensive to buy/build (<$800)
A single-shot rifle would be fine. Whew! Got to love all those arbitrary requirements huh? If I'm asking for the impossible, can someone point me to a wildcat forum where I could read up on what unusual stuff is currently available?
The .510 Whispers use expensive brass, expensive bullets, expensive actions and an exotic chamber. I like that it uses big ass bullets, miserly little powder, can be subsonic, is accurate, and produces light recoil though.
Can anybody recommend a rifle/caliber that:
1) can use 200+ grain cast lead bullets (bigger would be better!)
2) is gopher accurate to 100 yards (perhaps not with cast bullets?)
3) uses relatively little powder (subsonic would be a plus, but not req.)
4) doesn't hurt to shoot a hundred rounds out of
5) would be fairly inexpensive to buy/build (<$800)
A single-shot rifle would be fine. Whew! Got to love all those arbitrary requirements huh? If I'm asking for the impossible, can someone point me to a wildcat forum where I could read up on what unusual stuff is currently available?