Doesn’t fit correctly - TRYBE Defense AR-15 Extended Grasp 10-Round Magazine

I bought 2 of these in the hopes that they’d work….. They don’t… I first tried them both empty and had a very hard time putting them in and trying to get them out… then I load 10 300 Blackout put the mag in and again it was tough to get in went to cycle it and it was so tight that I couldn’t hand cycle it without pulling on the mag some….. I just don’t trust them. So I have 2 $12 paper weights