So, "which" mag is it, .223, or .50?
I don't own a .50 Beowulf upper.
But it's my understanding that they use standard .223 mags, with the 30 round .223 mag holding ten rounds of .50.
How do states with "high cap" mags now illegal, differentiate between the two?
I have seen nothing in legislation stating even that you must own a .50, to own a "ten round" .50 mag.
Loophole waiting for a lawsuit?