1. Inlet the stock so you can heat and bend the bolt handle down at a sharp angle, making the knob end almost pointing straight down.
Another good idea. I was thinking about that myself. This will happen.
2. Is it possible (after bending the bolt handle) to drill a hole letting the entire action/barrel slide into the stock from the butt end and stick out through the pistol grip area into the barrel channel (forestock).
Nope. There isn't a straight path in there. Plus, there is plastic in the way where the rear bolt holds the barrel onto the stock.