I JUST WANT TO PUT THIS OUT THERE THAT I HAD STUMBLED UPON A COMPANY THAT MANUFACTURES THE CZ24/27 MAGAZINE CATCH.....,.
I had looked all over this planet,it seems,even tried making one out of a jigsaw blade......
Ok,here is is (and i'll never remove this part again!) https://jackfirstgunparts.com
I could'nt believe it! I found the website by looking for Mauser 1910/34 parts to see if they would work for me.
$35 bucks,but look at the alternative.....Happy camper here!