I know, I know....Promag isn't a very well respected name. But in this instance, I think M&P 15-22 owners need to stand up and take note. Here's my review (with video):

Promag 32 Round M&P 15-22 Magazine Review on ThruMyLens

As always, let me know if you have any questions or any experience of your own with these Promag magazines.

-John