You can try an easy out or try the mechanics. Another option that I have kinda wanted to try but haven't needed to yet is drill and tap the center of the old bolt, then slide a new one in, but use some JB weld on the bolt threads. The theory is that the JB weld will make the outter bolt come out, but the new bolt will stick tight.
A shock bolt shouldn't be that tight, but if someone used an impact on it when they changed it it is very possible to over tighten.
PS. where are you on the shore???
A shock bolt shouldn't be that tight, but if someone used an impact on it when they changed it it is very possible to over tighten.
PS. where are you on the shore???