Need 15 magazine floor plates

I am looking for 15 Type III or IV M1 carbine magazine floor plates, the flat kind with the hole in them. I need them to permanently change 15 round magazines to 10 round. If you have any to sell, or know of a source, please send me a mail message here. Thanks!

Wow, I didn't think that these would be that hard to find. 170 views and no one has these? I guess I'll have to try a different route. I just hate having to modify and damage anything to make it legal if I don't have too