RigbyM,
Yes, I read somewhere that there are more Nilgai in Texas now than in India. Many exotic ranches have them and there are some free range animals on public land. The mature bulls (up to 800 pounds) aggravate the cattle ranchers because they eat a lot of the grass and tear up any fences that they cannot jump. One of my college buddies had a ranch near Raymondville and he shot every Nilgai he could. He a even chased them with his ranch truck, but made the mistake of actually hitting a big one and disabled the truck.

Grenadier,
You said " I think the .405 is one of the best doubles you can have for the USA." I agree and
Mike Brady said the same thing just this morning! Mike coached me on loading his North Fork bullets in my 1895 .405. He even shoots prairie dogs with his. I will soon be trying 400 grain NF in my double. That should be a killer DG load at 2100 fps.