Looks like you got your mags, they all work ok? Mb
I was needing some mags for my Armalite AR10... I should have 4 more 20's for it coming shortly.
The rifle I was hunting with last night is a Diamondback AR10 that takes P-Mag style mags. I have plenty of 20's for that one.
Shame they won't interchange...
Thanks for asking and your previous help!