You might have to hog the crack out completely and either make up a spacer block or fill it with fibreglass resin. I would also make up a cross slot and add an internal cross bar to hold it all together, all the way from each inside wall. Then, I would take a serious look at refinishing the ways.
Sometimes, the little things turn into big things. If the stock doesn't have matching numbers to the receiver, I would consider replacing it completely, before doing a major refit.
The refit isn't a real big deal but it is fastidiuos and takes a lot of time to do it right.
Milsurp Knowledge site has some information and instructions by Peter Laidler on this type of fix.
Sometimes, the little things turn into big things. If the stock doesn't have matching numbers to the receiver, I would consider replacing it completely, before doing a major refit.
The refit isn't a real big deal but it is fastidiuos and takes a lot of time to do it right.
Milsurp Knowledge site has some information and instructions by Peter Laidler on this type of fix.
