Don't know too much about shotguns but recently bought an old Savage Model 30 12 G at auction with the idea of doing it up. I've not fired it yet because I've noticed that with the barrel off and the action forward it seems there is only a spring like a Biro spring between the slide and bolt and the bolt can wobble about. Like I've said, I don't know too much about these things but I value my hands and face so would like to know if this is correct or is there something missing which holds the bolt more secure to the slide ? It seems to lock up nice and tight with the barrel on and action forward but I don't want to waste my time working on this gun if there are parts missing as it's gonna be a pain getting them to England from the US. What do you guys think ?