Don't think that's Japanese...I think it's a Carcano rifle bolt. https://www.libertytreecollectors.com/productcart/pc/viewPrd.asp?idproduct=718
And a K 98 safety...
Type: Posts; User: browningautorifle; Excluded Forums: Milsurp Knowledge Libraries (READ ONLY)
Don't think that's Japanese...I think it's a Carcano rifle bolt. https://www.libertytreecollectors.com/productcart/pc/viewPrd.asp?idproduct=718
And a K 98 safety...
Can you show us some pics? That would help...