Its made for a different market Euro hunters dont buy 400$ rifles and 200$ optics but much more fancy high end stuff , i think part of it comes from the 'hunting family system' , where they need to show off a bit to the peers , that is why there are plenty of very esquisite custom rifles to be seen even in hands of not too well monied hunters and also the hunts as they are mostly dusk or dawn dictate higher end scopes , as long as the wife doesnt know how much they cost all is well. And then there are engravings , they have to have some ither on stock or metal or both an there is where cost realy explodes.
But side product is that Europe has lots of small artisans ,smiths ,stockmakers, engravers , tailors for hunting clothing, gear ,trophy makers ,taxidermy even customisers for cars that cater this group that is also magnitudes larger than iter defense or sports shooting cowd .