This place has exactly what you want. And the price is great.
By the way, he is a wizard with leather. Anything you can think of that you want, he'll make it as long as you give him good enough measurements and description.
I installed a leupold 36mm scope on one of my K31's (with a non-drill mount) and I had him make me a set of leather lense caps connected with a leather thong just like the old Swedish sniper rifle scopes. It fit perfectly and looks beautiful.
He also makes leather cheek pads and they are awesome.