laststandonzombieisland

From the common STANAG, HKs and PMAGs to such brands as Thermold, Hexmag, MSAR, Easymag, Troy, CAA Countdown and Plinker Tac, mpk1414 walks you through their experience.

Of course, your mileage may vary and they have a dim view of polymer mags, but they generally have links to torture test videos (turn annotations on) for in-depth mag tests for each of these.

Apparently, it took them three years to run through all these.