I have been sporterizing Mausers for 45 years.
It is not worth the time and money.
But it is a really entertaining hobby.
I have built up many different Mausers, but I can't see anything wrong with a VZ24
http://www.aimsurplus.com/product.aspx?groupid=120
By the time I am done with them, few of the parts are in original condition.