I own quite a few 5.56 magazines and I have to say these are my 2 of my favorite. I have tritium night sights so the tritium followers pair very well with them. I think it's pretty cool that these mags easily couple together though I mostly shoot them separate. 1/13/23 Update still strong and still 2 of my favorite mags. My nephew stepped on and broke the hooks off of 1 of the dust covers that come with the mags. ETS free of charge sent me 2 dust covers and another awesome sticker of the snake coiling a clear stick mag. You guys Rock!! THANK YOU ETS!