First of all the "Conibear" is a trademark of Oneida Victor which has exclusive rights to call their traps, "Conibears". The only difference between a 330 Body Grip trap versus a 330 Magnum Body Grip trap, is the way the frame is made. The Magnums are made to close tighter that the standard Body Grip traps.
Nothing
Nothing
Projectile diameter.
The 44 Magnum case is a little longer.
Bullet diameter, case length.
one is an ice cream, one is an animal.
No appreciable differences
If you're referring to the current Hemis, there is no difference, they're all one in the same
Yes.
more horsepower on the magnum
The major anatomical difference between hominids and the apes is that the foramen magnum of hominids islocated at the bottom of the skull.
The Magnum case is actually just ever so slightly wider, longer, and holds relatively a lot more powder.