This is a customized 10/22 target stock that a friend of mine put together and that I used in my own custom 10/22 build. Right off you can see the adjustable cheek piece he made from Kydex, which is often used for making holsters.
The really important part is what's inside. This stock has a dual epoxy and pillar bedding system:
There are two brass pillars epoxied into the stock to provide solid anchor points. Two? Yes, a lot of serious 10/22 tuners drill and tap a second hole at the rear of the receiver to provide a more stable stock-to-action connection.