Stock Repairing

Small to medium cracks can be glued and clamped till the glue dries, the glue expands while drying forcing it into the grain of the wood and crack if its not clamped it could spread the crack. I would suggest ProBond wood glue by Elmers or Acraglass used for glass bedding.

Large Cracks need to be evaluated before repairing. Ask yourself this. Would I trust this stock after its repaired? Is the stock worth repairing? Mauser military stocks are sold cheap on ebay and by gun parts dealers. If you answered yes I still want to repair my stock read on. Examine the crack find the key locations where you can drill through the crack and into solid wood. Get some threaded brass rod or small brass screws. Decide how many to use for the size of the crack. Cover the bare wood inside the crack with your glue , apply generous amounts of glue in the crack with a brush or pipe cleaner. Thread in the brass rod or screws while holding the crack closed by hand or a padded clamp or vice. If using screws get them longer than needed then cut the head off and file the shaft even with the wood.

Here's some tips if you want to match the glue to your stock. If you have some sawdust from sanding your stock you can mix it with your glue to get a close match to your stock. If using Acraglass it comes with powder dies you can mix with it to get as close as you can to your stock color. Remember it wont be perfect as the finish wont stick to the glue if your refinishing the stock.