Not sure I would recommend them, I have one for my ARs and it works, kind of. It is just easier to use a backstop and pick up the brass than using it.
Some use a army blanket in the area that the cases will end up and just scope them up afterwords. Much like shooting dice on a army blanket they do not bounce.
They also have the mesh nets that sit next to you, but have never tried one.
Good luck and if you find something better let us know.
Jim