Quote Originally Posted by The Joe-Man View Post
I think you misunderstood it. The fact that you CAN load more than 5 rounds of 5.56 into the mags makes them prohib. Lone-wolf was correct. If you wanted to use this with a beowulf upper the mag would have to be pinned to 2-ish rounds.
Yep two rounds is all I can fit in blocked 5.56 mag , so that's all you get if you want to shoot your .50.