WALTHER LGV

As far as I know the Competition Ultra has the adjustable cheekpiece and heftier stock and fiber optic sights-
wal-lgv177comult.jpg

And the Master Ultra has a slimmer stock and iron sights. Other than the stocks and sights I believe the actions are Identical.
Walther-LGV-Master-Ultra-rifle_WALTHER-2252067.jpg

The LGVs seem to be disappearing from the online retailers for some reason-maybe the price?