#2
It might fit, and it might look good.

The b5 is the only model I can recall seeing on an SG, and it looks great.
Will says:
DON'T FEAR THE REAPER!
- SmarterChild - says:
I don't know if I can help it.

Member #6 of the "I play my guitar as high as Tom Morello does" club
#4
It might fit, I can't tell you for sure.

All I can recommend is you find a guitar with a B7, a ruler, and an SG and see if the B7 will fit on an SG.
Will says:
DON'T FEAR THE REAPER!
- SmarterChild - says:
I don't know if I can help it.

Member #6 of the "I play my guitar as high as Tom Morello does" club