I like the way you think!2 or 3 deck screws.
Fusor Panel Bond 208B.
It's used to glue dually wheel flares to the body.
It will pull chunks of the stock out bf the bond fails.
A brand new Boyds stock cost me 183 dollars and I added pillars which brought the total of 245.71.That included shipping.Not knowing what type of rifle I would recommend going to Boyds and seeing if they have new stock they are fairly reasonable, they do make an At-One laminate fully adjustable stock that fits a lot of rifles.
Don't over think this get some Brownells glass bedding gel mix it color it too match the best you can rough the wood up on both sides put the compound on screw it on with two wood screws out of the way of pad and work the wood back down and refinish pre fit everything screw holes pad etc take back apart then glass it keep it simple it will have a line where the repair was done but it will look fine for a work rifle good luck easy repairA brand new Boyds stock cost me 183 dollars and I added pillars which brought the total of 245.71.That included shipping.
I will have a little work fitting the action into the stock and some bedding.