hows the finish? how many rounds? bore condition? Barreled mauser actions can be $100-$400. Belgium made helps, but condition is everything. I imagine it's an FN action, which without the barrel I'd probably pay $200 for a C-ring, $175 for an H-ring (where the barrel mates to the receiver) if it's in very nice condition. If it needs to be surface ground and reblued, $125.