Ihave 20 of the in 6.8 and .223 and i have to tell you the price is right and they run great in my AR's I also shoot with their M1A1 M14 mags and they are great so i say if you need a lot of mags you can't go wrong the price is great and they send them with in a week of ordering go to mag44.com thats where i got mine.
Good luck dude
Semper Fi
ava8harrierusmc1