picked up a magazine on ebay that was advertised as fitting a TOZ 17. When I got it, I looked at it and thought this looks just like a short H&R 65 magazine. Sure enough it fit and functioned. H&R 65, 165, 150, etc are known to be able to use Marlin 56/89C mags. So those should fit the TOZ. The problem is that I don't have my TOZ 17 with me (I'm a snow-bird) so can't verify for sure that the mag I bought on Ebay is truly a TOZ 17 mag.