Bulldog,

Both can easily switch barrels by unscrewing 2 screws from under the barrels, and both have their own special quick detachable scope mounts. And then there is the cocker/decocker. Besides that, their isn't any other similarity that I can think of. The Mauser M03 looks and feels much more like a "real" rifle to me than the straight-pull Blaser R93.

Here's the M03 website: Mauser M03

Erik