this 404 Jef. looks also like a FN 10,75x68 was taken and rechamber into a 404 whats not a big problem. notice the style of the bolt handle, the rear sight and the position of the serial number on barrel and receiver.
the stock is not the very best replacement of the original one.
https://www.naturabuy.fr/Carabine-Mauser-98-Calibre-404-10-75x73--item-10883950.html