does any one know anybody that does carbon fibre work, or in fact carbon fibre stocks for rifle?
Surely carbon fibre would be entirely too light. I suspect it would be down right rubbish for springers and unbalanced for everything. If your scope becomes the heaviest part of your rig then I would expect instability, at least for me the weight should be low as possible, like on my knee and not pivoting like an inverted pendulum
I think these are better samples from Hydro graphics:
True Carbon Fibre
Look alike printed: