As often discussed, the design defect of 'Long Cracked Smiths' is inadequate wood surface to absorb recoil at the head of the stock. That is where the cracks start
then extend into the lockplate inlet, often with a crack at the apex of the inlet
Lefever guns do have more surface area, but can also crack
Boxlock Parkers are more likely to crack down the middle of the head
IF the head of the stock is not oil soaked, impregnation with ultra-thin cyanoacrylate glue may prevent cracking.
This stock was treated with Abatron Liquid Wood Epoxy
